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5.3 Exit Ticket

Last updated over 3 years ago

10 questions

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.

1

For the above cross, the genotypes of the offspring would be?

1

For the above cross, the Phenotype of the offspring would be?

1

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

1

For the above cross, the genotypes of the offspring would be?

1

For the above cross, the Phenotype of the offspring would be?

1

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.

1

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?

1

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?

1

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?