We may earn an affiliate commission when you visit our partners.

Course image

Course image

DNA Decoded

Course image

Caitlin Mullarkey and Felicia Vulcu

4.8

Based on 1,294 ratings

, see reviews

Caitlin Mullarkey and Felicia Vulcu

Are you a living creature? Then, congratulations! You’ve got DNA. But how much do you really know about the microscopic molecules that make you unique?

Why is DNA called the “blueprint of life”?

What is a “DNA fingerprint”?

How do scientists clone DNA?

What can DNA teach you about your family history?

Are Genetically Modified Organisms (GMOs) safe?

Is it possible to revive dinosaurs by cloning their DNA?

Read more

Are you a living creature? Then, congratulations! You’ve got DNA. But how much do you really know about the microscopic molecules that make you unique?

Why is DNA called the “blueprint of life”?

What is a “DNA fingerprint”?

How do scientists clone DNA?

What can DNA teach you about your family history?

Are Genetically Modified Organisms (GMOs) safe?

Is it possible to revive dinosaurs by cloning their DNA?

DNA Decoded answers these questions and more. If you’re curious about DNA, join Felicia Vulcu and Caitlin Mullarkey, two biochemists from McMaster University, as they explore the structure of DNA, how scientists cracked the genetic code, and what our DNA can tell us about ourselves. Along the way, you’ll learn about the practical techniques that scientists use to analyze our genetic risks, to manipulate DNA, and to develop new treatments for a range of different diseases. Then, step into our virtual lab to perform your own forensic DNA analysis of samples from a crime scene and solve a murder.

Or subscribe to Coursera Plus

And get unlimited access to Coursera

Here's a deal for you

Save money when you learn with a deal that may be relevant to this course.

All coupon codes, vouchers, and discounts are applied automatically unless otherwise noted.

Valid until March 12, 2027

Save 40% Off 3 Months

Access thousands of top-rated learning programs with a Coursera Plus monthly subscription and take 40% off 3 months for a limited time.

What's inside

Syllabus

Cracking the Genetic Code

In this module, we'll explore the molecular structure of DNA. What is DNA? What are the basic building blocks of DNA? Where can you find DNA within a cell? We'll learn about how James Watson and Francis Crick were able to solve the riddle of the molecular structure of DNA by building on the work of other scientists. Their groundbreaking discovery revealed that four nucleobases (adenine, thymine, cytosine, and guanine) combine with sugar and phosphate molecules to form the familiar double helix of DNA. We'll take a look at how the molecular structure of DNA regulates its functions; for example, how the chemical bonds (covalent and noncovalent) between these molecules allow DNA to "unzip" during replication. Then we'll take a look at how you manage to fit over three billion base pairs into each of your cells. (Here's a hint: Histones, nucleosomes, and chromosomes would be great at packing for a trip!)

Read more

Traffic lights

Read about what's good

what should give you pause

and possible dealbreakers

Provides an accessible introduction to the structure and function of DNA, making it a valuable resource for beginners

Taught by two biochemists from McMaster University, ensuring high-quality content and subject matter expertise

Covers practical techniques used in forensic DNA analysis, providing hands-on learning opportunities

Examines the ethical implications of genetic engineering and GMOs, fostering critical thinking and ethical decision-making

Leverages real-world examples and case studies, making the learning experience more engaging and applicable

Provides a comprehensive overview of the field of DNA science, suitable for diverse audiences with varying knowledge levels

Save this course

Create your own learning path. Save this course to your list so you can find it easily later.

Save

Reviews summary

Engaging introduction to dna and genetics

According to students, DNA Decoded provides a clear and engaging introduction well-suited for beginners and those curious about genetics without prior scientific knowledge. Learners particularly highlight the engaging instructors and the coverage of interesting, real-world topics like forensic DNA analysis, genetic engineering, and personal ancestry. While the course offers a solid foundation, some reviewers note the depth might be limited for those with existing biology backgrounds, and the virtual lab experience, while informative, is a simulation rather than hands-on.

Lab simulation is informative but basic.

"The virtual lab was a neat idea, showing the steps, but it wasn't truly 'hands-on'."

"It was helpful to see the process demonstrated in the virtual lab."

"I understood the concepts from the virtual lab, though it was more of a walkthrough than interactive."

Covers interesting real-world DNA applications.

"Loved learning about the forensic science applications of DNA. It was fascinating!"

"The modules on genetic engineering and GMOs were really informative and well-balanced."

"Discovering how DNA relates to my personal ancestry was a highlight for me."

Provides a solid foundation in DNA basics.

"This course was a perfect starting point for someone like me who knew nothing about DNA."

"It felt like a great introduction to the world of genetics."

"Didn't need any prerequisites; they build everything from the ground up."

Simplifies complex biology concepts effectively.

"The instructors explained complex ideas in a way that was really easy to grasp."

"I found the explanations incredibly clear, even without any prior science background."

"Everything was presented logically and broken down into understandable chunks."

May be too basic or fast depending on background.

"For me, with some biology background, it felt a bit too basic at times."

"I wish they went into slightly more detail on some of the advanced techniques."

"Some parts moved a little fast, requiring rewinding lectures to catch everything."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in DNA Decoded with these activities:

Form a study group with classmates

Show steps

Collaborate with peers to discuss course material, share insights, and reinforce learning.

Show steps

Identify classmates who are interested in forming a study group
Establish regular meeting times and locations
Review course materials, discuss concepts, and work on problems together
Provide feedback and support to each other

Read 'The Double Helix' by James D. Watson

Show steps

Gain historical perspective on the discovery of DNA's structure and the development of molecular biology.

View DNA on Amazon

Show steps

Read molecular biology textbook

Show steps

Review key biological concepts and prepare for more advanced course material.

Browse courses on Molecular Biology

Show steps

Collect any necessary reading materials
Break up reading into manageable chunks
Read and take notes on assigned chapters
Complete any end-of-chapter questions or exercises

Five other activities

Expand to see all activities and additional details

Show all eight activities

Complete Coursera's 'DNA and the Mystery of Life'

Show steps

Reinforce course concepts through interactive tutorials and hands-on activities.

Browse courses on Molecular Biology

Show steps

Create a Coursera account
Enroll in the 'DNA and the Mystery of Life'
Complete each tutorial in the course

Solve online genetics problems

Show steps

Strengthen problem-solving skills and apply course concepts to real-world scenarios.

Browse courses on Genetics

Show steps

Find a reputable online genetics problem database
Select problems at various difficulty levels
Work through the problems, checking your answers as you go
Review incorrect answers to identify areas for improvement

Develop a DNA replication infographic

Show steps

Enhance understanding of the complex process of DNA replication through visual representation.

Browse courses on DNA Replication

Show steps

Gather information on the steps of DNA replication
Design a visually appealing infographic layout
Create clear and concise graphics and text to illustrate the process
Proofread and finalize the infographic

Contribute to open-source genetic databases

Show steps

Enhance research skills and contribute to the advancement of genetic knowledge by sharing data and collaborating with others.

Browse courses on Genetics

Show steps

Identify reputable open-source genetic databases
Explore the databases and identify areas where you can contribute
Contribute data, annotations, or other relevant information
Collaborate with other contributors to ensure data quality and accuracy

Design a genetic experiment to test a hypothesis

Show steps

Apply course concepts to real-world research by designing and conducting your own genetic experiment.

Browse courses on Genetics

Show steps

Identify a research question and hypothesis
Design the experiment, including methods and protocols
Obtain necessary materials and resources
Conduct the experiment and collect data
Analyze the data and draw conclusions

Career center

Learners who complete DNA Decoded will develop knowledge and skills that may be useful to these careers:

Molecular Biologist

Molecular Biologists study the structure and function of molecules in living organisms, with a focus on DNA and RNA. This course, DNA Decoded, delves into the molecular structure of DNA, the process of transcription and translation, and the techniques used to manipulate DNA. For those who wish to succeed in this field, a thorough understanding of these topics is essential, making this course an invaluable resource.

See salaries and explore the career path for Molecular Biologist

Genetic Engineer

Genetic Engineers use laboratory techniques to alter the DNA of living organisms, opening up new possibilities for medical treatments, agricultural advancements, and industrial applications. This course, DNA Decoded, provides a comprehensive overview of the structure and function of DNA, as well as the techniques used to manipulate it. With this in-depth knowledge, you will be well-prepared to pursue a career in genetic engineering and contribute to the development of innovative technologies that address real-world challenges.

See salaries and explore the career path for Genetic Engineer

Biochemist

Biochemists study the chemical processes that occur in living organisms. For those who wish to succeed in this field, understanding the structure and function of DNA is essential. This course, DNA Decoded, provides an in-depth exploration of DNA, including its molecular structure, how it replicates, and how it is used to create proteins. With topics that cover everything from the Human Genome Project to genetic engineering, this course could help you build a solid foundation for a career in biochemistry.

See salaries and explore the career path for Biochemist

Research Scientist

Research Scientists conduct scientific research to advance our understanding of the world around us. Many research scientists focus on the study of DNA and genetics. This course provides an in-depth exploration of DNA, including its molecular structure, how it replicates, and how it is used to create proteins, providing you with a strong foundation for a career in this field.

See salaries and explore the career path for Research Scientist

Forensic Scientist

Forensic Scientists collect and analyze evidence to help solve crimes. One of the most important tools they use is DNA analysis. This course provides a comprehensive overview of DNA fingerprinting techniques, which can be used to identify suspects and exonerate the innocent. If you are interested in a career in forensic science, this course could give you the knowledge and skills you need to succeed.

See salaries and explore the career path for Forensic Scientist

Epidemiologist

Epidemiologists investigate the causes and patterns of disease in populations, with a focus on identifying risk factors and developing prevention strategies. This course, DNA Decoded, provides an in-depth exploration of DNA, including its molecular structure, how scientists cracked the genetic code, and what our DNA can tell us about ourselves. With a strong understanding of these topics, you will be well-equipped to contribute to the field of epidemiology by studying the genetic basis of disease and developing effective public health interventions.

See salaries and explore the career path for Epidemiologist

Biostatistician

Biostatisticians apply statistical methods to data in the biological sciences to draw meaningful conclusions. This course, DNA Decoded, explores the structure of DNA, how scientists cracked the genetic code, and what our DNA can tell us about ourselves. With this in-depth understanding of DNA and genetics, you will be well-prepared to design and conduct statistical analyses that advance our knowledge in the biological sciences.

See salaries and explore the career path for Biostatistician

Genetic Counselor

Genetic Counselors help individuals and families understand and manage their genetic risks. To be successful in this field, it is essential to have a strong understanding of DNA and genetics. This course provides an overview of the basic principles of genetics, as well as information on specific genetic disorders. It also covers ethical issues related to genetic testing and counseling. If you are interested in a career as a genetic counselor, this course could provide you with the foundation you need.

See salaries and explore the career path for Genetic Counselor

Science Teacher

Science Teachers educate students about the natural world, including the study of DNA and genetics. This course provides an overview of the basic principles of genetics, as well as information on specific genetic disorders, equipping you with the knowledge you need to effectively teach these concepts to your students.

See salaries and explore the career path for Science Teacher

Veterinarian

Veterinarians diagnose and treat diseases and injuries in animals. Many animal diseases have a genetic component, so it is important for veterinarians to have a basic understanding of genetics. This course provides an overview of the basic principles of genetics, as well as information on specific genetic disorders that affect animals, providing you with the foundation you need to succeed in this field.

See salaries and explore the career path for Veterinarian

Wildlife Biologist

Wildlife Biologists study the behavior, ecology, and conservation of wild animals. Many wildlife species are threatened by habitat loss, climate change, and other environmental factors, which can have a genetic impact on their populations. This course provides an overview of the basic principles of genetics, as well as information on specific genetic disorders that affect wildlife, equipping you with the knowledge you need to understand and address these threats.

See salaries and explore the career path for Wildlife Biologist

Medical Doctor

Medical Doctors diagnose and treat diseases and injuries. Many medical conditions have a genetic component, so it is important for doctors to have a basic understanding of genetics. This course provides an overview of the basic principles of genetics, as well as information on specific genetic disorders. If you are interested in a career as a medical doctor, this course could provide you with the foundation you need to understand the genetic basis of disease.

See salaries and explore the career path for Medical Doctor

Registered Nurse

Registered Nurses provide care to patients in a variety of settings. Many medical conditions have a genetic component, so it is important for registered nurses to have a basic understanding of genetics. This course provides an overview of the basic principles of genetics, as well as information on specific genetic disorders. If you are interested in a career as a registered nurse, this course could provide you with the foundation you need to understand the genetic basis of disease.

See salaries and explore the career path for Registered Nurse

Physician Assistant

Physician Assistants provide medical care under the supervision of a physician. Many medical conditions have a genetic component, so it is important for physician assistants to have a basic understanding of genetics. This course provides an overview of the basic principles of genetics, as well as information on specific genetic disorders. If you are interested in a career as a physician assistant, this course could provide you with the foundation you need to understand the genetic basis of disease.

See salaries and explore the career path for Physician Assistant

Pharmacist

Pharmacists dispense medications and provide advice on their use. Many medications have genetic implications, so it is important for pharmacists to have a basic understanding of genetics. This course provides an overview of the basic principles of genetics, as well as information on specific genetic disorders. If you are interested in a career as a pharmacist, this course could provide you with the foundation you need to understand the genetic basis of drug action.

See salaries and explore the career path for Pharmacist

Reading list

We've selected seven books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in DNA Decoded.

Cover image

Cover image

Introduction to Genetic Analysis (Loose-Leaf)

Save

It smoothly integrates biological sciences with genetics to establish a strong foundation for students pursuing genetics.

Loose-leaf Version for Introduction to Genetic...

Cover image

Cover image

Molecular Biology of the Gene

Save

An authoritative and comprehensive textbook on molecular biology, providing a deep understanding of the fundamental principles.

Mastering Biology with Pearson eText -- Standalone...

Printed Access Code

Molecular Biology of the Cell (Sixth Edition) EBook...

Save

This well-established textbook on molecular biology provides an in-depth look at the structure and function of DNA and its role in cellular processes. It offers detailed explanations of genetic engineering techniques and their implications.

Molecular Biology of the Cell (Sixth Edition) EBook...

Molecular Biology of the Cell (Sixth Edition) EBook...

Cover image

Cover image

Genetics: From Genes to Genomes

Save

Provides crucial information for understanding the manipulation of DNA and genetic engineering, including modern research findings.

Genetics: From Genes to Genomes (Hartwell, Genetics)

Genetics: From Genes to Genomes (3rd Edition Study...

Cover image

Cover image

Lewin's Essential GENES

Save

A comprehensive and up-to-date reference on genes and their role in biological processes.

Lewin's Essential GENES

Lewin's Essential GENES (Biological Science)

Lewin's Essential GENES

Lewin's Essential GENES

Cover image

Cover image

Molecular Biotechnology

Save

Covers the principles and applications of recombinant DNA technology, providing a strong foundation in genetic engineering techniques.

Molecular Biotechnology: Principles and...

Cover image

Cover image

Human Molecular Genetics

Save

A comprehensive guide to human molecular genetics, covering the latest advances in the field and their clinical implications.

Human Molecular Genetics 2

Human Molecular Genetics

Share

Help others find this course page by sharing it with your friends and followers:

Copy Link

Similar courses

Here are nine courses similar to DNA Decoded.

Classical papers in molecular genetics

Classical papers in molecular genetics

Virology and Epidemiology in the Time of COVID-19

Virology and Epidemiology in the Time of COVID-19

Forensic Science: DNA Analysis

Forensic Science: DNA Analysis

Introduction to Forensic Science

Introduction to Forensic Science

Genomics: Decoding the Universal Language of Life

Genomics: Decoding the Universal Language of Life

Introduction to Genetics and Evolution

Introduction to Genetics and Evolution

Introduction to Genomic Technologies

Introduction to Genomic Technologies

Introductory Biology

Introductory Biology

The Little Stuff: Energy, Cells, and Genetics

The Little Stuff: Energy, Cells, and Genetics

Coursera Buyer Protection & Guarantee

Verified partner policies & purchase protections

Accredited University Partner

Free Trial & Audit

7-Day Free Trial & Free Audit

7-day free trial on monthly Coursera Plus subscriptions; free audit option available on most individual courses to explore video lectures and readings at no charge.

Return & Refund Policy

14-Day Refund Guarantee

14-day refund window on annual Coursera Plus subscriptions and single-course purchases prior to certificate issuance. Monthly subscriptions do not offer refunds once billed.

Buyer Protections

Verified Academic & Industry Partner

Accredited university and industry certifications (e.g. Stanford, Google, IBM, Yale), secure SSL payment processing, and verifiable digital certificate links.

Key Purchase Protections

14-day refund window on annual Coursera Plus and single courses

7-day free trial on monthly Coursera Plus subscriptions

Free course audit option for lectures and readings

Verified certificates from top universities & companies

OpenCourser Verified Partner Policy details last reviewed: 2026-10-22

Course image

Rating

4.8

Effort

Approx. 22 hours

Level

Intermediate

Via

Coursera

Institution

McMaster University

Instructors

Caitlin Mullarkey

Felicia Vulcu

Language

English

Transcripts

Español Français Português Deutsch Italiano 中文 العربية 한국어 日本語 हिंदी Nederlands Svenska Pусский Türkçe Polski Ελληνικά українська мова magyar nyelv Bahasa Indonesia ไทย қазақша اُردُو, فارسی বাংলা tiếng Việt پښتو آذربایجان دیلی српски

Traffic lights

Read about what's good

what should give you pause

and possible dealbreakers

Provides an accessible introduction to the structure and function of DNA, making it a valuable resource for beginners

Taught by two biochemists from McMaster University, ensuring high-quality content and subject matter expertise

Covers practical techniques used in forensic DNA analysis, providing hands-on learning opportunities

Examines the ethical implications of genetic engineering and GMOs, fostering critical thinking and ethical decision-making

Leverages real-world examples and case studies, making the learning experience more engaging and applicable

Provides a comprehensive overview of the field of DNA science, suitable for diverse audiences with varying knowledge levels

Share this

Share to help others discover this course.

Link

Begin learning today

Enroll now to gain full access to DNA Decoded.

Enroll now Enroll in this course

Save for later

Add this course to your list. Find it anytime.

Save

Our mission

OpenCourser helps millions of learners each year. People visit us to learn workspace skills, ace their exams, and nurture their curiosity.

Our extensive catalog contains over 50,000 courses and twice as many books. Browse by search, by topic, or even by career interests. We'll match you to the right resources quickly.

Find this site helpful? Tell a friend about us.

Affiliate disclosure

We're supported by our community of learners. When you purchase or subscribe to courses and programs or purchase books, we may earn a commission from our partners.

Your purchases help us maintain our catalog and keep our servers humming without ads.

Thank you for supporting OpenCourser.

© 2016 - 2025 OpenCourser