Genetics and Evolution

What Are Cats Related To? The Feline Family Tree

What Is the Role of DNA Ligase in DNA Replication?

How Rare Is Hazel Eye Color and What Causes It?

Can a Child Have Sickle Cell Trait if Neither Parent Has It?

What Is Negative Selection Pressure?

What Kind of Bird Can’t Fly? And Why They Lost Flight

What Are the Four Principles of Natural Selection?

What Does DNA Code For? From Proteins to Life’s Processes

Do You Inherit More DNA From Your Mother or Father?

Which Came First: Eukaryotes or Prokaryotes?

What Does DNA Polymerase Do During Replication?

Which Dinosaur Is Still Alive? The Scientific Answer

How Did Wolves Become Chihuahuas? A Scientific Look

What Condition Is Modeled by the Expression 47, XXY?

How Many Colors of Squirrels Are There?

What Is RNA Polymerase and Its Function in Biology?

Why Are There So Many Languages in the World?

What Is the Germ Line and Why Does It Matter?

How Teeth Evolved From Ancient Fish to Modern Mammals

Are Panthers Just Black Jaguars, or Something Else?