Genetics & Heredity

Why Is the Ratio of Male to Female Births Roughly 50:50?

What Is Chromosome 1 Responsible For?

How Male Genetics Work: From the Y Chromosome to X-Linked Traits

What Are Orthologs? Tracing Genes Across Species

Can Mice Be Black? The Genetics of Black Mice

What Is Hitchhiker’s Thumb and Is It Genetic?

How Many Generations Back Is 2 Percent DNA?

Is Wiggling Your Ears Genetic or Learned?

How Rare Is Dark Hair and Blue Eyes?

What Is the Diabetes Pedigree Function?