14. Optional Challenge Question: In humans, there is a dominant allele that caus

Question

14. Optional Challenge Question: In humans, there is a dominant allele that causes vitiligo, spots appear on the body. Also, there is a recessive allele for where small-unpigmented another gene that causes albinism, which causes the entire body to be unpigmented. Vitiligo cannot be seen in albinos. A man (Paul) with vitiligo had an albino mother and father with normal skin pigmentation. Paul has a child with a woman (Sandra) with normal skin pigmentation. However Sandra has an albino father. What is the probability of having Paul and Sandra having a phenotypically normal child?

Explanation / Answer

the probability of Paul and sandra getting a phenotipically normal child is 0. As Paul has vilitigo and it is dominant allele, that dominatnt allele will be pass to the child and it wll affected with viltigo.(By avoiding all other chances of geting albino we can say for sure the child will inherit the dominant allele for Viltigo )

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