Reference no: EM132174920

1. Decide whether the following description is an example of dominance, incomplete dominance or codominance. Justify your answer (5 pts). Then, explain what the offspring would look like under the other two conditions.

In certain fish, red fish and blue fish when mated create offspring with a patchwork of blue AND red scales.

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2. For this question, you must show all your work. Suppose that black hair (B) is dominant over blonde hair (b) and brown eyes (E) are dominant over blue eyes (e).

Suppose a man with black hair and brown eyes marries a woman with blonde hair and blue eyes and they have a child with blonde hair and blue eyes.

A. What are the parent's phenotypes?

Male:________________________________ Female: ___________________________________

B. What are the parent's genotypes?

Male:________________________________ Female: ___________________________________

C. What are the possible gametes each parent can make?

Male:________________________________ Female: ___________________________________

D. Draw a Punnett square to show potential offspring

E. Give the ratios of the genotypes:__________________________________________________________

F. Give the ratios of the phenotypes: _________________________________________________________

G. What is the probability of getting a child with black hair and blue eyes?______________

H. What is the probability of getting a child with blonde hair and brown eyes?_________________

I. What is the probability of getting a child that is homozygous recessive for both traits?_______________