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Chapter 14

Question:

) In cattle, roan coat color (mixed red and white hairs) occurs in the heterozygous (Rr) offspring of red (RR) and white (rr) homozygotes. Which of the following crosses would produce offspring in the ratio of

1 red:2 roan:1 white?

A) red × white

B) roan × roan

C) white × roan

D) red × roan

E) The answer cannot be determined from the information provided.

Answer:

B) roan × roan
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Last update by Shanal on 10/20/2013
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Chapter 14
Chapter 14
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Question: ) In cattle, roan coat color (mixed red and white hairs) occurs in the heterozygous (Rr) offspring of red (RR) and white (rr) homozygotes. Which of the following crosses would produce offspring in the ratio of 1 red:2 roan:1 white? A) red × white B) roan × roan C) white × roan D) red × roan E) The answer cannot be determined from the information provided.
Answer: B) roan × roan