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Kobotan [32]
3 years ago
10

F a boy exhibits a sex-linked trait that is carried on the X chromosome, what must be true?

Biology
1 answer:
garik1379 [7]3 years ago
4 0
If a boy exhibits a sex-linked trait that is carried on the X chromosomes, his mother carried at-least one allele for that trait. 
The boy has a X chromosome inherited from his mother and he inherited Y chromosome from his father. So, his mother must carried at least one allele for that trait because he exhibits a sex linked trait that is carried on X chromosome.
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