Which offspring are the recombinant offspring in this cross?

(Score for Question 3: Click or tap here to enter text. of 2 points)
How far apart are Y and B?


Part 3: Crossing Tail-Feather Length and Feather Color
Cross a P generation, LlBb with llbb. Assume the following F1 generation:
LlBb: 480
Llbb: 20
llBb: 20
llbb: 480
(Score for Question 1: Click or tap here to enter text. of 2 points)
Which offspring are not the recombinant offspring in this cross?

LlBb and llBb
(Score for Question 2: Click or tap here to enter text. of 2 points)
How far apart are L and B?

L and B are 4 units apart because they make up 4 % of the total recombinant types.

Part 4: Mapping Beak Color, Tail-Feather Length, and Feather Color
Now you are ready to figure out the order of the genes for beak color, tail-feather length, and feather color on the chromosome and build a genetic map.
(Score for Question 1: Click or tap here to enter text. of 2 points)
List the distances between each pair of genes:
beak color and tail-feather length:
beak color and feather color:
tail-feather length and feather color:

Type your answer here.
(Score for Question 2: Click or tap here to enter text. of 2 points)
Which two alleles are the farthest apart?

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(Score for Question 3: Click or tap here to enter text. of 2 points)
Which two alleles are the closest together?

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(Score for Question 4: Click or tap here to enter text. of 2 points)
True or False: The diagram shows the correct genetic map for these three alleles on one chromosome.


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