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A cross between the two parents results in 50 offspring. How many of the offspring are most likely to have the dominant trait?
A) 12
B) 25
C) 30
D) 38

A cross between the two parents results in 50 offspring How many of the offspring are most likely to have the dominant trait A 12 B 25 C 30 D 38 class=

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306flower

As  you see on the table, there are 3 ways the offspring can get the dominant trait. RR, Rr, and rR (order was switched for clarification). There are 4 total outcomes. In this case, the problem can just be treated as a probability question.

3 out of 4, or 3/4 * 50 is 37.5, which can be rounded to D. 38.
The answer will be D. 38

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