Example sentences for: alleles

How can you use “alleles” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • Tests of gene essentiality in Candida necessitate serial disruption of both alleles using two different selection markers.

  • As noted by Doherty and Zinkernagel [ 4 ] , simple dominance for resistance to each of several diseases can create allele-specific overdominance for total fitness, if different alleles confer resistance to different diseases [ 10 31 ] . For these reasons, our results, while relevant to the longstanding debate over the relative importance of various kinds of balancing selection in maintaining MHC diversity [ 32 ] , raise doubts about only one of several lines of evidence for the overdominance hypothesis.

  • Experimental studies [ 21 22 ] have shown that the CYP17 polymorphism in the 5'-flanking region of the gene does not influence binding to Sp1, as previously conjectured [ 1 20 ] . Nonetheless, studies in both premenopausal women and postmenopausal women have found that those with A2 alleles have higher circulating levels of steroid hormones.

  • It can also accommodate overdominance of the resistant alleles ( a > 1; b > d ; c > d ), in which each heterozygote does better than either corresponding homozygote, and underdominance, in which each heterozygote does worse than either corresponding homozygote ( a < 1; b < 1; c < d ). In this model, susceptibility and resistance are relative and simply refer respectively to lower and higher probabilities of favorable disease course, given infection.

  • Multiple strains were generated that were homozygous for each of the F, M and S electrophoretic alleles of Pgm, by appropriate crosses to a third chromosome balancer stock.


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