The answer is most likely the second one. It makes the most sense.
Hope this helps!
<span>A carrier does not show disease symptoms, but can pass on the disease-causing allele to offspring. Genes that are located on the sex chromosomes. ... Males cannot be carriers of a sex-linked disorder because they do not have a second X chromosome to make it a carrier.</span>
Answer:
D or A I think it might be D but maybe A
<span>D)<span>About 50% are heterozygous for tall stems.</span></span>