In this video Paul Andersen explains how variation is created in a population over time. Variation in offspring is caused by genetic recombination, mutations and environmental effects. Parental DNA is recombined using the process of...

The organic molecules that make up life on Earth are more than just the 2-D structures we’ve been drawing so far. Molecules have 3-D shapes that help us understand what they can do. In this episode of Crash Course Organic Chemistry,...

Major Employment Discrimination Laws

Genetic Information Non-Discrimination Act

Learn all about DNA while enjoying a delicious treat!

The cell produced by the fusion of an egg and a sperm at fertilisation. The zygote contains DNA from both the male and female parents, providing all the genetic information required for a new individual.
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A Twig...

Or ribonucleic acid, is a nucleic acid, similar to DNA.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...

Deoxyribonucleic Acid, the molecule that stores and passes on genetic information that determines how an organism develops and functions.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60...

Every living thing on our planet, from plants to animals, is made up of cells. Cells are the building blocks of life, but what are they and how do they work? Biology - Cells And DNA - Learning Points. All cells have vital genetic...

The process of moving a section of DNA from one DNA molecule to another. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...

Uncover the role of chromosomes in genetics, where these structures made of tightly coiled DNA house our genes. Learn how we inherit one set of 23 chromosomes from each parent, which explains why we might share traits with...

Dive into the fascinating structure of DNA, the molecule that forms the genetic blueprint for all living organisms. Understand how DNA's unique combinations determine traits and its ability to replicate ensures each cell in your body...

Meiosis is the process of cell division that gives us gametes such as sperm and egg cells. This video covers how the process works, why gametes are so important, and explains chromosomes.

Inherited and Acquired Traits of Plants explains the differences between inherited and acquired traits of plants.

In this video, we explore how scientists classify living things based on their physical appearance, internal structures, early stages of development, genetic information, and behavior. This video is part of the 12-part series,...

Transcription (Partial; no markings; as done in lab)

This video provides an overview of the COVID-19 pandemic, including the origins of the virus, the impact on society, the development of vaccines, the emergence of variants, and the importance of global cooperation and vaccination in...

Major Employment Discrimination Laws

Genetic Information Non-Discrimination Act

This nugget describes the structure, types and functions of chromosomes.

23andMe has built its business on collecting data from millions of at-home testing kits. As the company moves to develop therapeutic drugs, CEO Anne Wojcicki outlines the next health innovations that could be powered by genetic data.

Aminoacyl tRNA Synthetase Class II Physiology, Biochemistry, and Mechanism

This video introduces and compares sexual and asexual reproduction in organisms. The advantages and disadvantages of each method are discussed, along with real-life examples of organisms that use both methods of reproduction. The video...

Scientists at Oregon Health and Science University have grown human embryos mixing genetic material from three parents. Humans possess two types of DNAs - nDNA in the cell nucleus, and mDNA in the cell mitochondria. While a baby receives...