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C. Consider the following hypothetical scheme of inheritance of coat color in an extinct mammal. Gene A controls the conversion of white pigment P, to gray pigment P1. The dominant allele A produces an enzyme necessary for this conversion but the recessive allele a produces an enzyme with no activity. b. Gene B controls the conversion of the gray pigment P1 to black pigment P2. The dominant B produces the active enzyme that catalyzes the reaction, and the recessive allele b produces a defective enzyme with no activity. c. The dominant allele C of a third gene produces a product that completely inhibits the activity of the enzyme produced gene A. Allele c produces defective product that does not inhibit the reaction. а. d. Genes A, B, and C assort independently, and no other genes are involved. 1. Draw the pathway described above. 2. Using branching method, what is the expected genotypic and phenotypic ratio if you cross: AabbCc x AAbbCc

C. Consider the following hypothetical scheme of inheritance of coat color in an extinct mammal. Gene A controls the conversion of white pigment P, to gray pigment P1. The dominant allele A produces an enzyme necessary for this conversion but the recessive allele a produces an enzyme with no activity. b. Gene B controls the conversion of the gray pigment P1 to black pigment P2. The dominant B produces the active enzyme that catalyzes the reaction, and the recessive allele b produces a defective enzyme with no activity. c. The dominant allele C of a third gene produces a product that completely inhibits the activity of the enzyme produced gene A. Allele c produces defective product that does not inhibit the reaction. а. d. Genes A, B, and C assort independently, and no other genes are involved. 1. Draw the pathway described above. 2. Using branching method, what is the expected genotypic and phenotypic ratio if you cross: AabbCc x AAbbCc

Human Anatomy & Physiology (11th Edition)
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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C. Consider the following hypothetical scheme of inheritance of coat color in an extinct mammal. a. Gene A controls the conversion of white pigment P, to gray pigment P1. The dominant allele A produces an enzyme necessary for this conversion but the recessive allele a produces an enzyme with no activity. b. Gene B controls the conversion of the gray pigment P, to black pigment P2. The dominant B produces the active enzyme that catalyzes the reaction, and the recessive allele b produces a defective enzyme with no activity. c. The dominant allele C of a third gene produces a product that completely inhibits the activity of the enzyme produced gene A. Allele c produces defective product that does not inhibit the reaction. d. Genes A, B, and C assort independently, and no other genes are involved. 1. Draw the pathway described above. 2. Using branching method, what is the expected genotypic and phenotypic ratio if you cross: AabbCc x AAbbCc
Transcribed Image Text:C. Consider the following hypothetical scheme of inheritance of coat color in an extinct mammal. a. Gene A controls the conversion of white pigment P, to gray pigment P1. The dominant allele A produces an enzyme necessary for this conversion but the recessive allele a produces an enzyme with no activity. b. Gene B controls the conversion of the gray pigment P, to black pigment P2. The dominant B produces the active enzyme that catalyzes the reaction, and the recessive allele b produces a defective enzyme with no activity. c. The dominant allele C of a third gene produces a product that completely inhibits the activity of the enzyme produced gene A. Allele c produces defective product that does not inhibit the reaction. d. Genes A, B, and C assort independently, and no other genes are involved. 1. Draw the pathway described above. 2. Using branching method, what is the expected genotypic and phenotypic ratio if you cross: AabbCc x AAbbCc
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