In Mendelian inheritance patterns, you receive one version of a gene, called an allele, from each parent. These alleles can be dominant or recessive. Non-Mendelian genetics don’t completely follow ...

*Laws of Heredity* is an educational film that demonstrates how inheritance operates in statistically predictable ways, presenting the foundational insights first achieved by Gregor Mendel. Through ...

Dear Eric: The most important family member to me is my brother, the only person who’s been there since my birth and never let me down. We’re both retired, and he’s very, very sick, partly from past ...