Genetics and Evolution

Why Are RNA Polymers Shorter Than DNA?

What Do Codons Code For? The Genetic Code Explained

Are Seals and Walruses Biologically Related?

Can the Megalodon Come Back From Extinction?

How Long Have Flies Been Around? An Evolutionary History

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?