Answer:
<em><u>Both </u></em><em><u>parents</u></em><em><u> </u></em><em><u>contributed </u></em><em><u>a </u></em><em><u>recessive</u></em><em><u> </u></em><em><u>allele</u></em><em><u>.</u></em>
<em><u>Both </u></em><em><u>parents</u></em><em><u> </u></em><em><u>were </u></em><em><u>short</u></em><em><u>.</u></em>
this is because a recessive allele will only express itself in the absence of dominant allele
A. is the answer for replacement of damaged skin cells, so B. is most likely the answer for producing sperm and egg cells.