C Carit Uil the X chromosome. At the same 9. In alley cats, the coat color is de
ID: 132248 • Letter: C
Question
C Carit Uil the X chromosome. At the same 9. In alley cats, the coat color is determined Uy a ge tlu U time, the alleles are expressed as co-dominance. Genotypes and cold Females: Xb Xb-orange x"Xb-calico xB xB black Males: ?? x" Y-black orange An orange female cat mates with a black male cat. What is the chan will have an orange kitten? Show your work. a. A calico female cat mates with an orange male cat. What is the predicted genotypic ratio of the kittens? What is the predicted phenotypic ratio? Show your work. b.Explanation / Answer
9.A Orange female Xb Xb X XB Y Black male
Gametes Xb X XB Y
kitten XB Xb - Calcico
Xb Y - Orange
So, it has 1/2 or 50% chance to get orange kitten.
B. Calcico female XB Xb X Xb Y Orange male
Kitten XB Xb - Calcico
XB Y - Black male
Xb Xb - Orange female
Xb Y - Orange male
Phenotype ratio = 1 Calcico : 2 Orange : 1 Black
Genotype ratio = 1 :1 : 1 :1
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