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7. Maternal effect: In Limnaea snail cats, R makes right coiled shells; r makes left coiled shells, and R is dominant to r, as we discussed in class. Even though these can be hermaphrodites, and act either as mom or dad, we'll just pretend they are male or female. A Rr male marries an rr female. a) What are the genotypes of their offspring and in what ratio? b) What are the phenotypes of their offspring and in what ratio?

7. Maternal effect: In Limnaea snail cats, R makes right coiled shells; r makes left coiled shells, and R is dominant to r, as we discussed in class. Even though these can be hermaphrodites, and act either as mom or dad, we'll just pretend they are male or female. A Rr male marries an rr female. a) What are the genotypes of their offspring and in what ratio? b) What are the phenotypes of their offspring and in what ratio?

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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7. Maternal effect: In Limnaea snail cats, R makes right coiled shells; r makes left coiled shells, and R is dominant to r, as we discussed in class. Even though these can be hermaphrodites, and act either as mom or dad, we'll just pretend they are male or female. A Rr male marries an rr female. a) What are the genotypes of their offspring and in what ratio? b) What are the phenotypes of their offspring and in what ratio?
Transcribed Image Text:7. Maternal effect: In Limnaea snail cats, R makes right coiled shells; r makes left coiled shells, and R is dominant to r, as we discussed in class. Even though these can be hermaphrodites, and act either as mom or dad, we'll just pretend they are male or female. A Rr male marries an rr female. a) What are the genotypes of their offspring and in what ratio? b) What are the phenotypes of their offspring and in what ratio?
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