In mice there are two loci responsible for coat color: Locus 1B- determines whether hair has bands: B- results in hair with bands & produces an agouti coat pigment (brown) b- homozygotes have no bands & their coat pigment is black Locus 2A- affects enzymes responsible for pigment production: A- results in normal pigment production a- homozygotes block all of the pigment production & are albino (white) What are the possible genotypes & phenotypes of the progeny if you were to cross 2 mice, which are heterozygous for both traits? What type of gene action is being expressed in this example?
In mice there are two loci responsible for coat color: Locus 1B- determines whether hair has bands: B- results in hair with bands & produces an agouti coat pigment (brown) b- homozygotes have no bands & their coat pigment is black Locus 2A- affects enzymes responsible for pigment production: A- results in normal pigment production a- homozygotes block all of the pigment production & are albino (white) What are the possible genotypes & phenotypes of the progeny if you were to cross 2 mice, which are heterozygous for both traits? What type of gene action is being expressed in this example?
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter15: Genomes And Genomics
Section: Chapter Questions
Problem 1QP: The gene controlling ABO blood type and the gene underlying nail-patella syndrome are said to show...
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In mice there are two loci responsible for coat color:
Locus 1B- determines whether hair has bands:
B- results in hair with bands & produces an agouti coat pigment (brown)
b- homozygotes have no bands & their coat pigment is black
Locus 2A- affects enzymes responsible for pigment production:
A- results in normal pigment production
a- homozygotes block all of the pigment production & are albino (white)
- What are the possible genotypes &
phenotypes of the progeny if you were to cross 2 mice, which are heterozygous for both traits? - What type of gene action is being expressed in this example?
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