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 ...

Here you will learn about the basics of Gregor Mendel's experiments, which defined the basic patterns of inheritance. We will also examine Morgan's early experiments on linkage and the discovery of ...

Retinitis pigmentosa (RP) is an eye condition that can be genetic. In this way, people usually need to inherit two copies of a genetic variation that causes RP, one coming from each parent. RP may ...