Genetics and Evolution

What Are Some Structural Adaptations in Plants and Animals?

Do Turtles Play Dead and Other Defense Mechanisms

What Did Whales Look Like When They Lived on Land?

What Is the Definition of Speciation?

Do All Nucleotide Mutations Lead to Amino Acid Mutations?

What Mammal Doesn’t Have a Stomach?

Is a Zebra a Horse? The Biology of Their Relationship

What Is the Chromosome Number of Daughter Cells in Meiosis?

Why Do Some Animals Eat Their Babies?

Are Ostrich Wings Vestigial? A Biological Explanation

Is an Allele a Genotype? Allele vs. Genotype

Where Do Your Hair Genes Come From? The Genetic Blueprint

Can DNA Be Found in Hair? The Science of Hair DNA

What Are the Three Basic Components of a Nucleotide?

Why Do Men Grow Chest Hair? The Biology and Evolution

What Animals Can Stand on Two Legs and Why?

How Many Generations Back Is 1 Percent DNA?

What Is a Triplet Code and How Does It Work?

Why Do Cats Watch You Sleep? The Reasons for This Behavior

How to Calculate a Polygenic Risk Score