About The Medical Condition Multigene Families

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Find the definition of the medical term Multigene Families. Multigene Families defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Multigene Families

Multigene Families Medical Condition Defined & Explained
Multigene Families Medical Condition

What's The Definition Of The Medical Condition Multigene Families?

A set of genes descended by duplication and variation from some ancestral gene. Such genes may be clustered together on the same chromosome or dispersed on different chromosomes. Examples of multigene families include those that encode the hemoglobins, immunoglobulins, histocompatibility antigens, actins, tubulins, keratins, collagens, heat shock proteins, salivary glue proteins, chorion proteins, cuticle proteins, yolk proteins, and phaseolins, as well as histones, ribosomal RNA, and transfer RNA genes. The latter three are examples of reiterated genes, where hundreds of identical genes are present in a tandem array. (King & Stanfield, A Dictionary of Genetics, 4th ed)

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