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Labrador retrievers are commonly black, brown, or yellow. Two different genes determine coat color in Labrador retrievers. The B gene determines pigment color (B is black, bb is brown). The E gene determines whether the pigment can be deposited in the hair shaft: ee prevents any pigment from being deposited, resulting in yellow dogs. You want to breed Labrador retrievers, and you cross a true-breeding brown Labrador retriever to a true-breeding yellow Labrador retriever. All 15 of the F1 puppies are black. After the puppies grow up, you cross two of the F1 black dogs together. In the F2 generation you get 8 black puppies, 4 yellow puppies, and 3 brown puppies. Part 1 What is/are the possible genotype(s) of the true-breeding brown lab in the P generation? O bbEE Brown bbee O bbEe Could be either answer bbEE or bbEe Part 2 What is/are the possible genotype(s) of the true-breeding yellow lab in the P generation? Obbee Bbee BBee Could be either bbee or Bbee. O Could be either Bbee or BBee. All of the genotypes shown are possible.

Labrador retrievers are commonly black, brown, or yellow. Two different genes determine coat color in Labrador retrievers. The B gene determines pigment color (B is black, bb is brown). The E gene determines whether the pigment can be deposited in the hair shaft: ee prevents any pigment from being deposited, resulting in yellow dogs. You want to breed Labrador retrievers, and you cross a true-breeding brown Labrador retriever to a true-breeding yellow Labrador retriever. All 15 of the F1 puppies are black. After the puppies grow up, you cross two of the F1 black dogs together. In the F2 generation you get 8 black puppies, 4 yellow puppies, and 3 brown puppies. Part 1 What is/are the possible genotype(s) of the true-breeding brown lab in the P generation? O bbEE Brown bbee O bbEe Could be either answer bbEE or bbEe Part 2 What is/are the possible genotype(s) of the true-breeding yellow lab in the P generation? Obbee Bbee BBee Could be either bbee or Bbee. O Could be either Bbee or BBee. All of the genotypes shown are possible.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Labrador retrievers are commonly black, brown, or yellow. Two different genes determine coat color in Labrador retrievers. The B gene determines pigment color (B is black, bb is brown). The E gene determines whether the pigment can be deposited in the hair shaft: ee prevents any pigment from being deposited, resulting in yellow dogs. You want to breed Labrador retrievers, and you cross a true-breeding brown Labrador retriever to a true-breeding yellow Labrador retriever. All 15 of the F1 puppies are black. After the puppies grow up, you cross two of the F1 black dogs together. In the F2 generation you get 8 black puppies, 4 yellow puppies, and 3 brown puppies. Part 1 What is/are the possible genotype(s) of the true-breeding brown lab in the P generation? O bbEE Brown bbee O bbEe Could be either answer bbEE or bbEe Part 2 What is/are the possible genotype(s) of the true-breeding yellow lab in the P generation? Obbee Bbee BBee Could be either bbee or Bbee. O Could be either Bbee or BBee. All of the genotypes shown are possible.
Transcribed Image Text:Labrador retrievers are commonly black, brown, or yellow. Two different genes determine coat color in Labrador retrievers. The B gene determines pigment color (B is black, bb is brown). The E gene determines whether the pigment can be deposited in the hair shaft: ee prevents any pigment from being deposited, resulting in yellow dogs. You want to breed Labrador retrievers, and you cross a true-breeding brown Labrador retriever to a true-breeding yellow Labrador retriever. All 15 of the F1 puppies are black. After the puppies grow up, you cross two of the F1 black dogs together. In the F2 generation you get 8 black puppies, 4 yellow puppies, and 3 brown puppies. Part 1 What is/are the possible genotype(s) of the true-breeding brown lab in the P generation? O bbEE Brown bbee O bbEe Could be either answer bbEE or bbEe Part 2 What is/are the possible genotype(s) of the true-breeding yellow lab in the P generation? Obbee Bbee BBee Could be either bbee or Bbee. O Could be either Bbee or BBee. All of the genotypes shown are possible.
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