WILL GIVE BRAINLIEST!!
Part 2: Crossing Beak Color and Feather Color
Cross beak color and fea...
WILL GIVE BRAINLIEST!!
Part 2: Crossing Beak Color and Feather Color
Cross beak color and feather color.
(Score for Question 1: Click or tap here to enter text. of 2 points)
Cross one parent that is heterozygous for both beak color and feather color with a parent that is h-o-m-o-zygous for both recessive traits. What are the genotypes of the parents? (Hint: Recall that the P generation includes a heterozygous parent with dominant traits and a h-o-m-o-zygous parent with recessive traits.)
Assume the following F1 generation:
YyBb: 420
Yybb: 80
yyBb: 80
yybb: 420
YyBB420
YyBb420
(Score for Question 2: Click or tap here to enter text. of 2 points)
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?
Type your answer here
(Score for Question 3: Click or tap here to enter text. of 2 points)
Which two alleles are the closest together?
Type your answer here.
(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.
Answers: 2
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