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. Question 1 Part 1 What is/are the possible genotype(s) of the true-breeding brown lab in the P generation? bbee bbee Could be either answer bbEE or bbEe Could be either answer bbEE or bbEe bbEE bbEE bbEe bbEe Brown Brown Question 2 Part 2 What is/are the possible genotype(s) of the true-breeding yellow lab in the P generation? bbee bbee Bbee Bbee BBee BBee Could be either bbee or Bbee. Could be either bbee or Bbee. Could be either Bbee or BBee. Could be either Bbee or BBee. All of the genotypes shown are possible. All of the genotypes shown are possible. Question 3 Part 3 What is/are the possible genotype(s) of the yellow puppies in the F2 generation? Select all that apply. bbee bbee BBee BBee Bbee Bbee BbEe BbEe bbEe bbEe Question 4 Part 4 You have a friend who wants to breed only brown Labrador retrievers. She wants a true-breeding brown puppy from your F2 litter. Approximately how many of your 3 brown puppies from the F2 are true breeding? 0 0 1 1 2 2 3 3 Question 5 Part 5 You mate a true-breeding brown puppy with a yellow puppy from your F2 generation and find that half of the puppies are brown and half of the puppies are black. What was the genotype of the yellow puppy? BbEe BbEe BBEE BBEE Bbee Bbee BBEe BBEe BBee BBee bbEE bbEE bbEe bbEe BbEE BbEE bbee

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. Question 1 Part 1 What is/are the possible genotype(s) of the true-breeding brown lab in the P generation? bbee bbee Could be either answer bbEE or bbEe Could be either answer bbEE or bbEe bbEE bbEE bbEe bbEe Brown Brown Question 2 Part 2 What is/are the possible genotype(s) of the true-breeding yellow lab in the P generation? bbee bbee Bbee Bbee BBee BBee Could be either bbee or Bbee. Could be either bbee or Bbee. Could be either Bbee or BBee. Could be either Bbee or BBee. All of the genotypes shown are possible. All of the genotypes shown are possible. Question 3 Part 3 What is/are the possible genotype(s) of the yellow puppies in the F2 generation? Select all that apply. bbee bbee BBee BBee Bbee Bbee BbEe BbEe bbEe bbEe Question 4 Part 4 You have a friend who wants to breed only brown Labrador retrievers. She wants a true-breeding brown puppy from your F2 litter. Approximately how many of your 3 brown puppies from the F2 are true breeding? 0 0 1 1 2 2 3 3 Question 5 Part 5 You mate a true-breeding brown puppy with a yellow puppy from your F2 generation and find that half of the puppies are brown and half of the puppies are black. What was the genotype of the yellow puppy? BbEe BbEe BBEE BBEE Bbee Bbee BBEe BBEe BBee BBee bbEE bbEE bbEe bbEe BbEE BbEE bbee

Name: Labrador retrievers are commonly black, brown, or yellow. Two differen
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Description: 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 th

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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Question 1

Part 1

What is/are the possible genotype(s) of the true-breeding brown lab in the P generation?

bbee

bbee
Could be either answer bbEE or bbEe

Could be either answer bbEE or bbEe
bbEE

bbEE
bbEe

bbEe
Brown

Brown

Question 2

Part 2

What is/are the possible genotype(s) of the true-breeding yellow lab in the P generation?

bbee

bbee
Bbee

Bbee
BBee

BBee
Could be either bbee or Bbee.

Could be either bbee or Bbee.
Could be either Bbee or BBee.

Could be either Bbee or BBee.
All of the genotypes shown are possible.

All of the genotypes shown are possible.

Question 3

Part 3

What is/are the possible genotype(s) of the yellow puppies in the F2 generation? Select all that apply.

bbee

bbee
BBee

BBee
Bbee

Bbee
BbEe

BbEe
bbEe

bbEe

Question 4

Part 4

You have a friend who wants to breed only brown Labrador retrievers. She wants a true-breeding brown puppy from your F2 litter. Approximately how many of your 3 brown puppies from the F2 are true breeding?

0

0
1

1
2

2
3

3

Question 5

Part 5

You mate a true-breeding brown puppy with a yellow puppy from your F2 generation and find that half of the puppies are brown and half of the puppies are black. What was the genotype of the yellow puppy?

BbEe

BbEe
BBEE

BBEE
Bbee

Bbee
BBEe

BBEe
BBee

BBee
bbEE

bbEE
bbEe

bbEe
BbEE

BbEE
bbee

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