Beth and joe meet in bio 1a lab at u.c.s.b. they begin to study together and ultimately decide to marry after graduation. upon m

Question

3 years ago

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Beth and joe meet in bio 1a lab at u.c.s.b. they begin to study together and ultimately decide to marry after graduation. upon m

eeting each other's family the night before the wedding ceremony, they discover that beth's sister has the same rare recessive disorder as joe's brother. when beth realizes this, she begins to have doubts about marrying joe. the family pedigrees are shown below:

Biology

1 answer:

Brilliant_brown [7] · Answer 1 · 2022-05-17T17:44:43+03:00

Answer:

The chances of Beth's and Joe's Child having a child with the recessive trait is 0%----25%

Explanation:

(PICTURE OF THE FULL QUESTION IS ATTACHED BELOW)

Since both Beth and Joe have siblings expressing the recessive trait, this means that their parents are both carriers. This means that Beth and Joe are either both carriers, both normal, or one normal and one carrier. When crossed this would bring the possible outcome of a recessive phenotype between 0%-25%