____ P1 inherited a 10 kb marker. ____ P1 inherited a 8 kb marker. ____ P2 inher

Question

____ P1 inherited a 10 kb marker.

____ P1 inherited a 8 kb marker.

____ P2 inherited a 10 kb marker.

____ P2 inherited a 2 kb marker.

____ P3 inherited a 4 kb marker.

____ P3 inherited a 2 kb marker.

Two male hounds, identified in the figure as d'l and d2, got loose one night at Wet Noses Puppy Farm. A female (A in the figure) got pregnant and had a litter of three puppies (P1, P2, and P3). The owner of Wet Noses is desperate to know which male is the father and has electrophoresis analysis of a variable DNA genetic marker (shown in the figure) to guide in the identification. The owner thinks d1 is the father of the three puppies. A 1 2 P1 P2 P3 kb 10 8 4- 2 Pearson Education, Inc

Explanation / Answer

The answer is P3 inherited a 4 kb marker.

Because it is the unique marker for male 1. So, the presence of this marker in p3 indicates that the male 1 is the father of three puppies.

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