3. Based on your knowledge of single-gene testcross outcomes, answer the following questions: a. What is the genotype of the unknown plant at the R (shape) locus? b. What is the genotype of the unknown plant at the Y (color) locus?
3. Based on your knowledge of single-gene testcross outcomes, answer the following questions: a. What is the genotype of the unknown plant at the R (shape) locus? b. What is the genotype of the unknown plant at the Y (color) locus?
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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do #3 please
Transcribed Image Text:You are given a pea that produces round, yellow seeds (both dominant traits), but its genotype is
unknown. You conduct a testcross to determine the genotype at both loci, and find that the offspring
have the following ratios of phenotypes:
% round, yellow, % round, green, % wrinkled, yellow, 4 wrinkled, green
1. What are all the possible genotypes of a round, yellow pea? Assume shape is controlled by the R
locus, and color is controlled by the Y locus.
2. Break this down to the single gene level by answering the following questions:
a. What is the proportion of round to wrinkled offspring?
b. What is the proportion of yellow to green offspring?
3. Based on your knowledge of single-gene testcross outcomes, answer the following questions:
a. What is the genotype of the unknown plant at the R (shape) locus?
b. What is the genotype of the unknown plant at the Y (color) locus?
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