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- In human males, even some recessive sex-linked alleles are able to express their effect because
. In human males, even some recessive sex-linked alleles are able to express their effect because
A. there is a single genome.
B. autosomes are single but sex chromosomes are two.
C. there is only one x-chromosome.
D. there is only one Y-chromosome.
Best Answer
C. Males express more recessive sex-linked traits than females because they have only one X-chromosome. The Y-chromosome contains less genes than the X-chromosome, thus males do not have a second allele for traits carried on either chromosome.
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