multigene family

A family of sequence-related genes within a genome which evolved from a single ancestral gene by gene duplication and subsequent mutations.

multigene family

A collection of genes, usually but not necessarily situated together, that have either a common or associated function or have similar nucleotide sequences.

multigene family

a number of related or identical GENES present in the same ORGANISM that generally code for related POLYPEPTIDES. See, for example, MAJOR HISTOCOMPATIBILITY COMPLEX.

单词	multigene family
释义	multigene family multigene family [′məl·tə‚jēn ‚fam·lē] (genetics) A set of genes that arose from duplications of a single ancestral gene and variation due to independent mutations and selection acting on individual members of the duplicate genes. multigene family multigene family A family of sequence-related genes within a genome which evolved from a single ancestral gene by gene duplication and subsequent mutations. multigene family A collection of genes, usually but not necessarily situated together, that have either a common or associated function or have similar nucleotide sequences. multigene family a number of related or identical GENES present in the same ORGANISM that generally code for related POLYPEPTIDES. See, for example, MAJOR HISTOCOMPATIBILITY COMPLEX.
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