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uh I am not really sure But I think it is HE
Explanation:
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Good morning siso
have a nice day to you too
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explain please????!??????!
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Sex linked is a trait in which a gene is located on a sex chromosome. In humans, the term generally refers to traits that are influenced by genes on the X chromosome. This is because the X chromosome is large and contains many more genes than the smaller Y chromosome.
I think it be D.But if that ever happen I'm sure that the scientists will find away to stop it