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recessive

   Also found in: Dictionary/thesaurus, Medical, Legal 0.01 sec.
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

recessive [ri′sesĀ·iv]
(genetics)
An allele that is not expressed phenotypically when present in the heterozygous condition.
An organism homozygous for a recessive gene.


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In people who are non-tasters, a recessive variant of the gene results in a functional change to the amino acids so that the protein is different and cannot bind to the bitter substance.
Hannah, who spends three hours a day treating her wounds and being bandaged, suffers from a rare genetic skin condition, called recessive dystrophic epidermolysis bullosa (EB).
We had no idea either one of us had EB as one of the recessive traits, but we were both carriers," said Denise Summers, Ryan's mother.
 
 
 
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