Answered: Here are the results of the testcross:…

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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Here are the results of the testcross:
Green-eyes, wild-type wings 245
Green-eyes, miniature wings 232
Wild-type eyes, wild-type wings 250
Wild-type eyes, miniature wings 238
6.) In your opinion, is the grn gene on the same chromosome as the min gene? How do you know?
Next, you set up another experiment to determine if grn is on chromosome #1. The only appropriate flies
that you have handy are double-mutants for the black-body mutation (blk) and curved wings mutation
(crv), but this should work just fine. First, you conduct a series of crosses to generate a strain of triple-
mutant flies (grn blk crv). Then, you cross those with wild-type flies to generate triple hybrids.
7.) What are the genotype(s) and phenotype(s) of the progeny of this cross?
Next, you set up a testcross to reveal any linkage between the three genes.
8.) What are the genotypes and phenotypes of this testcross?

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