1. You want to map the relative location and distance between three genes, GX, GY and GZ. You know each gene has a dominant and a recessive allele: X and x, Y and y, and Z and z. You have two homozygote lines with genotype XXyyzz and XXYYYZZ. a. What does the parent cross look like? b. What does the offspring (F1) look like of the parent cross? c. What is a 'tester' in the F1 cross, and why are they used? d. What are the possible genotype combinations in the F2? e. What are the possible crossing-over events?
1. You want to map the relative location and distance between three genes, GX, GY and GZ. You know each gene has a dominant and a recessive allele: X and x, Y and y, and Z and z. You have two homozygote lines with genotype XXyyzz and XXYYYZZ. a. What does the parent cross look like? b. What does the offspring (F1) look like of the parent cross? c. What is a 'tester' in the F1 cross, and why are they used? d. What are the possible genotype combinations in the F2? e. What are the possible crossing-over events?
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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