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10 April, 22:51

Which combination of alleles best describes a sex-linked trait?

heterozygous alleles

homozygous alleles

alleles that are carried on X and Y chromosomes

alleles that are carried on somatic cells

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Answers (2)
  1. 11 April, 00:28
    0
    alleles that are carried on X and Y chromosomes

    Explanation:

    In humans there are 22 pairs of autosomal chromosomes and i pair of sex chromosome which is composed of two types X and Y.

    alleles XX represents female and XY represent male. Mother can randomly pass her on X chromosome to son and one to daughter but father will pass his X chromosome to daughter and Y to his son i, e why we can say that the genes located on X and Y chromosomes will determine the Sex linked trait
  2. 11 April, 02:13
    0
    The combination of alleles best describes a sex-linked trait is homozygous alleles
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