In humans, a sex-linked recessive allele, h, results in hemophilia. Its dominant counterpart, H, results in normal blood clotting. Also, the dominant allele F at an autosomal locus is responsible for freckles and the expression of its recessive counterpart fresults in the absence of freckles. A healthy female who has no freckles has a son with freckles and hemophilia and a daughter who is has no freckles and normal blood clotting. Unknown alleles should be indicated with a "?" Assume complete penetrance and no nondisjunction for this problem. What can you conclude about the genotypes of the two parents and the children? Tell the genotypes of mother, father, son and daughter.
In humans, a sex-linked recessive allele, h, results in hemophilia. Its dominant counterpart, H, results in normal blood clotting. Also, the dominant allele F at an autosomal locus is responsible for freckles and the expression of its recessive counterpart fresults in the absence of freckles. A healthy female who has no freckles has a son with freckles and hemophilia and a daughter who is has no freckles and normal blood clotting. Unknown alleles should be indicated with a "?" Assume complete penetrance and no nondisjunction for this problem. What can you conclude about the genotypes of the two parents and the children? Tell the genotypes of mother, father, son and daughter.
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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Transcribed Image Text:In humans, a sex-linked recessive allele, h, results in hemophilia. Its dominant counterpart, H, results in normal blood clotting. Also, the dominant allele F at an autosomal locus is
responsible for freckles and the expression of its recessive counterpartfresults in the absence of freckles. A healthy female who has no freckles has a son with freckles and
hemophilia and a daughter who is has no freckles and normal blood clotting. Unknown alleles should be indicated with a "?" Assume complete penetrance and no nondisjunction
for this problem. What can you conclude about the genotypes of the two parents and the children? Tell the genotypes of mother, father, son and daughter.
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