英语词汇“null allele”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	null allele
释义	DictionarySeeallele null allele null allele [′nəl ə‚lēl] (genetics) An allele that does not produce a functional product and behaves as a recessive. null allele null allele A segment of DNA which is not known to encode a protein product. null allele a form of a gene whose product is either absent at the molecular level, or is present but has no measurable phenotypic function. For example, in a heterozygote with INCOMPLETE DOMINANCE one gene form is a ‘null allele’ and is inactive, while the other allele is unable to compensate for the null allele and so produces an intermediate phenotype.
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