Answer to Question #189302 in Management for Jon jay Mendoza

Question

1. A cross between a black cat and a tan cat results in a tabby cat. A tabby cat is crossed with a tan cat.

a. What is the pattern of inheritance in this example?

b. What ratio of the offspring will have tabby fur? Tan fur? Black fur?

2. In rabbits, agouti fur coat color (C) is dominant to chinchilla (C^ch), which is dominant to Himalayan (C^h), which is dominant to albino (c). Determine the gentoypic and phenotypic ratio for the cross CC^ch x C^chC^h.

Answer 1

Question 1

black cat BB

tan cat bb

BB x bb

Bb(tabby cat ) due to incomplete dominance

Bb x Bb

BB :2Bb: bb

1:2:1 genotypic ratio

phenotypic ratio

black cat BB =1

tabby cat Bb =2

tan cat bb =1

Question 2

2 agouti : 1 chinchilla : 1 Himalayan