Genetics and Evolution

How Long Has Sickle Cell Disease Been Around?

How Many Chromosomes Are Present During Metaphase?

What Type of Bonds Hold Base Pairs Together?

What Are the Three Steps of DNA Replication?

Where Was the Carnotaurus Fossil Found?

Can Two Blue-Eyed Parents Have a Brown-Eyed Child?

Echogenic Intracardiac Focus: Should I Be Worried?

Are Foxes Really More Like Cats or Dogs?

How Rare Are Hazel Eyes? The Science Behind the Color

How Many People Have a Widows Peak?

What Are the Disadvantages of Selective Breeding?

Are All Reptiles Born Alive or in Eggs?

What Percentage of Tortoiseshell Cats Are Female?

What Snakes Give Birth to Live Young?

What Is a Codon in DNA and How Does It Build Proteins?

Are Any Butterflies Poisonous? A Look at Toxic Species

Is Hodgkin’s Lymphoma Hereditary? A Look at Genetic Risk

What Is an Auroch? The Extinct Ancestor of Modern Cattle

Are Flamingos Cranes? The Definitive Answer

Why Do Guys Grow Facial Hair? Biology & Evolution