Genetic Heterogeneity

The same phenotype may result from the actions of different genes, a phenomenon called genetic heterogeneity.

For example, nearly 200 forms of hereditary deafness are known, each due to impaired actions of a different gene. The eleven types of clotting disorders reflect the many protein factors and enzymes that control this process. Any of several genes may also cause cleft palate, albinism, diabetes insipidus, colon cancer, and breast cancer.

99 Distinguish between penetrance and expressivity. ^9 What is pleiotropy? ^9 What is genetic heterogeneity?

Diabetes 2

Diabetes 2

Diabetes is a disease that affects the way your body uses food. Normally, your body converts sugars, starches and other foods into a form of sugar called glucose. Your body uses glucose for fuel. The cells receive the glucose through the bloodstream. They then use insulin a hormone made by the pancreas to absorb the glucose, convert it into energy, and either use it or store it for later use. Learn more...

Get My Free Ebook


Post a comment