recessive

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recessive

1. Genetics
a. (of a gene) capable of producing its characteristic phenotype in the organism only when its allele is identical
b. (of a character) controlled by such a gene
2. Genetics
a. a recessive gene or character
b. an organism having such a gene or character
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

recessive

[ri′ses·iv]
(genetics)
An allele that is not expressed phenotypically when present in the heterozygous condition.
An organism homozygous for a recessive gene.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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