| 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. |