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Vith three COlors: Red, Yellow, and Green. You cross a true-breeding Red line and a true- breeding Yellow line. The F, progeny are all Red, with no traces of Yellow or Green pigment present. Then, you take the F, progeny and cross them to each other. In the F2 generation you see a 3:1 phenotype ratio of Red : Yellow progeny. What is the most likely conclusion you can draw from these results?

Vith three COlors: Red, Yellow, and Green. You cross a true-breeding Red line and a true- breeding Yellow line. The F, progeny are all Red, with no traces of Yellow or Green pigment present. Then, you take the F, progeny and cross them to each other. In the F2 generation you see a 3:1 phenotype ratio of Red : Yellow progeny. What is the most likely conclusion you can draw from these results?

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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Suppose you have a species of butterflies with three different colors: Red, Yellow, and Green. You cross a true-breeding Red line and a true- breeding Yellow line. The F, progeny are all Red, with no traces of Yellow or Green pigment present. Then, you take the F, progeny and cross them to each other. In the F2 generation you see a 3:1 phenotype ratio of Red : Yellow progeny. What is the most likely conclusion you can draw from these results? Red and Yellow are two alleles at the same locus, where Yellow is dominant and Red is recessive. O Red, Yellow, and Green pigments are determined by co-dominant alleles at the same locus. O Red and Yellow are two alleles at the same locus, where Red is dominant and Yellow is recessive. O Red and Yellow are encoded by two alleles at the same locus, which show incomplete dominance. O Red, Yellow, and Green pigments are sex-linked alleles, so Green only shows up in certain crosses.
Transcribed Image Text:Suppose you have a species of butterflies with three different colors: Red, Yellow, and Green. You cross a true-breeding Red line and a true- breeding Yellow line. The F, progeny are all Red, with no traces of Yellow or Green pigment present. Then, you take the F, progeny and cross them to each other. In the F2 generation you see a 3:1 phenotype ratio of Red : Yellow progeny. What is the most likely conclusion you can draw from these results? Red and Yellow are two alleles at the same locus, where Yellow is dominant and Red is recessive. O Red, Yellow, and Green pigments are determined by co-dominant alleles at the same locus. O Red and Yellow are two alleles at the same locus, where Red is dominant and Yellow is recessive. O Red and Yellow are encoded by two alleles at the same locus, which show incomplete dominance. O Red, Yellow, and Green pigments are sex-linked alleles, so Green only shows up in certain crosses.
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