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5.3 Exit Ticket

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Last updated almost 4 years ago
10 questions
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Question 1
1.

In fruit flies red eyes (R) are dominant to white eyes (r). Perform a cross between a white eyed female and a homozygous red eyed male.

Question 2
2.

Question 3
3.

Question 4
4.

You take two of the previous offspring of the above cross and cross them. Create the punnett square for the cross below.

Question 5
5.

Question 6
6.

Question 7
7.

Two heterozygous red eyed flies are crossed and they have 625 children. How many would you expect to be Red eyed and white eyed? Explain.

Question 8
8.

Two fruitfly genes are unlinked. The probability of the two genes are below:

Eye color
RR-25% (Red)
Rr-50% (Red)
rr-25% (White)

Wing span
BB-0% (Big)
Bb-100% (Big)
bb-0% (Small)

What is the probability that that fruit fly has red eyes OR a small wingspan?

Question 9
9.

Two fruitfly genes are unlinked. The probability of the two genes are below:

Eye color
RR-25% (Red)
Rr-50% (Red)
rr-25% (White)

Wing span
BB-0% (Big)
Bb-100% (Big)
bb-0% (Small)

What is the probability that that fruit fly has red eyes AND a small wingspan?

Question 10
10.

Two fruitfly genes are unlinked. The probability of the two genes are below:

Eye color
RR-25% (Red)
Rr-50% (Red)
rr-25% (White)

Wing span
BB-0% (Big)
Bb-100% (Big)
bb-0% (Small)

What is the probability that that fruit fly has white eyes AND a large wingspan?

For the above cross, the genotypes of the offspring would be?
RR 100%
RR 75%
RR 50 %
RR 25%
RR 0%
Rr 100%
Rr75%
Rr 50%
Rr25%
Rr 0%
rr 100%
rr 75%
rr 50%
rr 25%
rr 0%
For the above cross, the Phenotype of the offspring would be?
Red Eyed 100%
Red Eyed 75%
Red Eyed 50%
Red Eyed 25%
Red Eyed 0%
White Eyed 100%
White Eyed 75%
White Eyed 50%
White Eyed 25%
White Eyed 0%
For the above cross, the genotypes of the offspring would be?
RR 100%
RR 75%
RR 50 %
RR 25%
RR 0%
Rr 100%
Rr75%
Rr 50%
Rr25%
Rr 0%
rr 100%
rr 75%
rr 50%
rr 25%
rr 0%
For the above cross, the Phenotype of the offspring would be?
Red Eyed 100%
Red Eyed 75%
Red Eyed 50%
Red Eyed 25%
Red Eyed 0%
White Eyed 100%
White Eyed 75%
White Eyed 50%
White Eyed 25%
White Eyed 0%