Most chickens do not have feathers on their legs. This phenotype is the result of two genes interacting and having only recessive alleles for both genes. The presence of a dominant allele for either gene or for both genes causes feathers. What is the unfeathered leg : feathered leg ratio in the offspring of chickens that are heterozygous for both genes? A. B. C. D. 9:7 12:4 13:3 15:1

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Most chickens do not have feathers on their legs. This phenotype is the result of two genes interacting and having only recessive alleles for both genes. The presence of a dominant allele for either gene or for both genes causes feathers. What is the unfeathered leg : feathered leg ratio in the offspring of chickens that are heterozygous for both genes?

A.

B.

C.

D.

9:7

12:4

13:3

15:1

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