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22 votes
22 votes
A recessive gene causes a certain breed of goats to "faint" when they

are startled. If two goats that faint are
bred together, what percent chance do their offspring have of
fainting?
A. 100%
B. 50%
C. 25%
D. 0 %

User Vyclarks
by
2.8k points

2 Answers

28 votes
28 votes

Answer:

A 100%

Step-by-step explanation:

R = non-fainting gene

r = fainting gene

If both parents faint, the must have the "rr" gene combination.

So when setting up your Punnett Squares, each of the 4 blocks would have "rr" within them.

Parent 1 = rr Parent 2 = rr

User Seyran
by
2.8k points
15 votes
15 votes
C. that would be a punnentt square
User Aaron Wang
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2.6k points