What makes every person unique? Part of the answer is in our genes. A gene is a basic unit of heredity, the means by which traits get passed from one generation to the next, and genetics is the study ...

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 ...

Ch. 1. The science of genetics -- Ch. 2. Reproduction as the basis of heredity -- Ch. 3. Mendelism: the basic principles of inheritance -- Ch. 4. Extensions of mendelism -- Ch. 5. Inheritance of ...