Genetics and Evolution

What Is the Difference Between tRNA and mRNA?

How Are Hair Genes Passed Down and Expressed?

Why Do Arctic Foxes Have Small Ears?

Are Mannerisms Genetic? The Role of Nature and Nurture

What Animal Looks Like a Fox But Isn’t?

What Side Does Height Come From? Genes and Environment

What Is Linkage Disequilibrium and Why Does It Matter?

Animals Related to Dogs: Meet the Canidae Family

Are Identical Twins Always the Same Gender?

How to Read Pregnancy Genetic Testing Results

Why Are Male Birds More Colorful Than Females?

Why Are There Gaps in the Fossil Record?

What Is an Adaptation in Biology? Types & Examples

The Sea Slug That Can Photosynthesize

Why Does X Inactivation Occur? A Biological Explanation

Can a Fox and Dog Breed? The Genetic Reality

Are Sheep and Goats Related? A Look at Their Family Tree

What Is a Derived Character in Biology?

Why Won’t Hair Grow on My Chin? Genetics & Health Factors

Can Sheep Have Horns? Why Some Breeds Do and Others Don’t