Find out how epigenetic tags that tell genes whether to turn on or off in their lifetime, act as a cellular memory.

Learn how to find allele frequency and how it's different from genotype frequency.

Discover how mitochondrial DNA (mtDNA) is inherited, and complete a pedigree chart by determining which individuals might share mtDNA with an unknown ancestor.

This site from the University of Kansas Medical Center provides a list and direct links to colleges with accredited genetic counseling programs.

Historical perspective on Mendel's contribution. Spends a little time setting up what the current beliefs of Mendel's day were and how he changed things with what he did.

This lesson will introduce the Law of Independent Assortment and explain how traits are inherited independently of each other. It is 3 of 4 in the series titled "Law of Independent Assortment."

This lesson will introduce the Law of Independent Assortment and explain how traits are inherited independently of each other. It is 4 of 4 in the series titled "Law of Independent Assortment."

This lesson will introduce the Law of Independent Assortment and explain how traits are inherited independently of each other. It is 2 of 4 in the series titled "Law of Independent Assortment."

Explains what incomplete dominance is in heredity, and what it looks like in plants, animals, and humans.

Students have the opportunity to work through a problem set over Eukaryotic genes. Correct answers are reinforced with a brief explanation. Incorrect answers are linked to tutorials to help solve the problem.

This lesson encourages students to explore the phenomenon of identical twins, with emphasis on behavioral as well as genetic aspects. Teachers will appreciate extension activities, suggested readings, and links in addition to lesson plan...

CommonLit.org is a wonderful resource to use in a Language Arts classroom. Each story or article is accompanied by guided reading questions, assessment questions, and discussion questions. In addition, students can click on words to see...

When a population is in Hardy-Weinberg equilibrium, it is not evolving. Learn how violations of Hardy-Weinberg assumptions lead to evolution.

How natural selection works at the level of genes, alleles, genotypes, & phenotypes.