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"G" is the allele for grouchy phenotype, and "g" is the allele for happy phenotype. A...

"G" is the allele for grouchy phenotype, and "g" is the allele for happy phenotype. A couple decide to have a child. The genes follow codominance rules, with Gg being the phenotype for dazed. The mother has GG, and the father has gg. What possible genotype(s) could the offspring of this couple have?

GG

Gg

gg

none of the answer choices

What is the probability of getting a child who is happy?

100%

75%

50%

25%

0%

What is the probability of getting a child who is dazed?

100%

75%

50%

25%

0%

This couple had their first child, and the child was dazed. What is the probability that their second child will be dazed?

100%

around 66%

around 33%

0%

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Homework Answers

Answer #1
G G
g Gg Gg
g Gg Gg

1. Option b is correct. The couple will have children with the genotype Gg.

2. Option e is correct. The probability of a happy child is 0 since all the offsprings would be dazed.

3. Option a is correct. 100%

4. Option a is correct. 100%

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