Question

2. Hypothetically, brown color in naked mole rats is dominant to white color and pointed teeth...

2. Hypothetically, brown color in naked mole rats is dominant to white color and pointed teeth is dominant to flat teeth. Suppose you ran across a male naked mole rat that was brown with pointed teeth in class and you wanted to find out if he was homozygous or heterozygous by using a testcross.

a. What are the possible genotypes of your male naked mole rat?

b. What is the genotype and the phenotype of the female you would mate him with?

c. What are the phenotypic ratios that you would expect from this test cross for each possible genotype of your male?

d. You perform the cross and your mole rats produce a litter of 26 babies. 22 of them are brown with pointy teeth and 24 of them are brown with flat teeth. What is the most likely genotype of the male naked mole rat?

e. Perform a chi-squared goodness of fit test to test your hypothesis for the males genotype stated in d.

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If p value is more than 0.05, than we accept null hypothesis.

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