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The R gene is a sex-linked gene in that causes curly hair in guinea pigs. Wild-type guinea pigs have straight hair. Below is a pedigree of a guinea pig family with a history of curly hair. Filled-in shapes indicate individuals who have curly hair. 1. II. III. Part 1 From the pedigree, is the curly hair trait inherited in a dominant or recessive manner? Briefly explain your answer, referring to specific observations in the pedigree.

The R gene is a sex-linked gene in that causes curly hair in guinea pigs. Wild-type guinea pigs have straight hair. Below is a pedigree of a guinea pig family with a history of curly hair. Filled-in shapes indicate individuals who have curly hair. 1. II. III. Part 1 From the pedigree, is the curly hair trait inherited in a dominant or recessive manner? Briefly explain your answer, referring to specific observations in the pedigree.

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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The male guinea pig indicated with a blue circle mates with a female guinea pig that has normal straight hair. What are the genotypes of these parents? (XR designates the dominant allele and X the recessive allele) O Male XR Y; Female XRXR O Male XR Y; Female xr xr Male XRY; Female xRxr Male X Y; Female XRxr O Male X Y; Female X X Male X Y; Female XRXR What is the probability that any one of their offspring will be a female with straight hair? O O O 1/4 O 1/4 O 2/3 What is the probability that any one of their offspring will be a male with straight hair? O O 0 O 1/2 O 1/4
Transcribed Image Text:The male guinea pig indicated with a blue circle mates with a female guinea pig that has normal straight hair. What are the genotypes of these parents? (XR designates the dominant allele and X the recessive allele) O Male XR Y; Female XRXR O Male XR Y; Female xr xr Male XRY; Female xRxr Male X Y; Female XRxr O Male X Y; Female X X Male X Y; Female XRXR What is the probability that any one of their offspring will be a female with straight hair? O O O 1/4 O 1/4 O 2/3 What is the probability that any one of their offspring will be a male with straight hair? O O 0 O 1/2 O 1/4
The R gene is a sex-linked gene in that causes curly hair in guinea pigs. Wild-type guinea pigs have straight hair. Below is a pedigree of a guinea pig family with a history of curly hair. Filled-in shapes indicate individuals who have curly hair. I. II. III. Part 1 From the pedigree, is the curly hair trait inherited in a dominant or recessive manner? Briefly explain your answer, referring to specific observations in the pedigree.
Transcribed Image Text:The R gene is a sex-linked gene in that causes curly hair in guinea pigs. Wild-type guinea pigs have straight hair. Below is a pedigree of a guinea pig family with a history of curly hair. Filled-in shapes indicate individuals who have curly hair. I. II. III. Part 1 From the pedigree, is the curly hair trait inherited in a dominant or recessive manner? Briefly explain your answer, referring to specific observations in the pedigree.
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