Non Mendelian Inheritance

Pleiotropy

________ occurs when one gene controls more than one pathway or is expressed in more than one body part.

Epistasis

________ Two genes interacting to affect phenotype-

Mitochondrial Inheritance Mitochondria

________ is the situation where Mitochondria have their own DNA, which is solely maternally inherited.

Decreased penetrance or "low penetrance" means

that some people inherit genotype and yet do not show the phenotype