Question 9 Consider that a certain gene is a maternal effect gene and that the allele for dark brown pigment is incompletely dominant to the allele for no pigment (white). The incomplete dominant phenotype is light tan. If a heterozygous female is crossed with heterozygous male, what will be the phenotypic ratio of the progeny? A) 1 dark brown: 2 light brown: 1 white B) 3 dark brown: 1 white C)- all dark brown D) all light tan E) cannot be determined

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
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Question 9
Consider that a certain gene is a maternal effect gene and that the allele for dark brown pigment is incompletely dominant to the
allele for no pigment (white). The incomplete dominant phenotype is light tan.
If a heterozygous female is crossed with heterozygous male, what will be the phenotypic ratio of the progeny?
A) 1 dark brown: 2 light brown: 1 white.
B) 3 dark brown: 1 white
C). all dark brown
D) all light tan
E) cannot be determined
CS Scanned with CamScanner
Transcribed Image Text:Question 9 Consider that a certain gene is a maternal effect gene and that the allele for dark brown pigment is incompletely dominant to the allele for no pigment (white). The incomplete dominant phenotype is light tan. If a heterozygous female is crossed with heterozygous male, what will be the phenotypic ratio of the progeny? A) 1 dark brown: 2 light brown: 1 white. B) 3 dark brown: 1 white C). all dark brown D) all light tan E) cannot be determined CS Scanned with CamScanner
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