Genetics and Evolution

Why Are All Calico Cats Female? The Genetic Answer

Why Are Animals Scared of Fire? The Evolutionary Reasons

Can a Wolf and a Dog Mate? The Biology of Wolf-Dog Hybrids

How Many Chromosomes From Your Mother and Father?

Are Black Ladybugs Rare? Identifying Common Varieties

If Humans Evolved From Apes, Why Are There Still Apes?

Are a Donkey and a Mule the Same Thing?

What Is the Oldest Insect Ever Discovered?

What Happens During Prophase 1 of Meiosis?

How Flowers Look to Bees: A Hidden World of Color

What Did Kangaroos Evolve From? A Look Into Their Ancestry

What Is Incomplete Dominance and How Does It Work?

What Is the Transcription Initiation Complex?

What Is Photo 51 and Why Is It Important?

How to Do the Hardy-Weinberg Equation

Are Bone Spurs Genetic? Explaining Heredity & Risk

When Did Humans Start Sleeping Lying Down?

Are Hazel Eyes Dominant? The Science of Eye Color

Are Doves and Pigeons the Same Bird?

Why Are the Animals in Australia So Unique?