| 单词 | recessive |
| 释义 | recessive (once / 29402 pages) 1adj 2nadj A recessive gene is a gene that can be masked by a dominant gene. In order to have a trait that is expressed by a recessive gene, such as blue eyes, you must get the gene for blue eyes from both of your parents. You might remember the word recessive from biology, where it most often appears. Its opposite is dominant and is always living in its shadow. A recessive allele has to team up with another recessive allele in order to show up. We can also use recessive to describe something that has the tendency to withdraw or recede, or something pertaining to an economic recession. WORD FAMILYrecessive: recessives USAGE EXAMPLESPaterson, by contrast, seems recessive, reactive and, insofar as the entire movie is based on patterns of repetition, thoroughly predictable. Los Angeles Times(Dec 27, 2016) Nicholas was “autosomal recessive,” meaning he had inherited two mutated genes — one from each parent — that caused microcephaly. New York Times(Oct 17, 2016) The other museums reflect light; this one absorbs it, making it look, despite its size, discreet and recessive, about silhouette rather than bulk. New York Times(Sep 15, 2016) 1 adj of or pertaining to a recession 2Syn recessionary 1n an allele that produces its characteristic phenotype only when its paired allele is identical Syn|Hyper recessive allele allele, allelomorph (genetics) either of a pair (or series) of alternative forms of a gene that can occupy the same locus on a particular chromosome and that control the same character 2adj (of genes) producing its characteristic phenotype only when its allele is identical Ant dominant (of genes) producing the same phenotype whether its allele is identical or dissimilar |
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