In X-Linked Dominant disorder, a gene responsible for a genetic disorder is located on the X chromosome. Only one copy of the allele is sufficient to cause the disorder Group of answer choices Both statements are incorrect Both statements are correct. Statement 1 is incorrect, statement 2 is correct Statement 1 is correct. Statement 2 is

In X-Linked Dominant disorder, a gene responsible for a genetic disorder is located on the X chromosome. Only one copy of the allele is sufficient to cause the disorder Group of answer choices Both statements are incorrect Both statements are correct. Statement 1 is incorrect, statement 2 is correct Statement 1 is correct. Statement 2 is

Name: In X-Linked Dominant disorder, a gene responsible for a genetic disord
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Description: In X-Linked Dominant disorder, a gene responsible for a genetic disorder is located on the X chromosome. Only one copy of the allele is sufficient to cause the disorderGroup of answer choicesBoth statements are incorrectBoth statements are correct.St

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter4: Pedigree Analysis In Human Genetics

Section: Chapter Questions

Problem 17QP: Analysis of X-Linked Dominant and Recessive Traits A young boy is color-blind. His one brother and...

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Analysis of X-Linked Dominant and Recessive Traits A young boy is color-blind. His one brother and five sisters are not. The boy has three maternal uncles and four maternal aunts. None of his uncles children or grandchildren is color-blind. One of the maternal aunts married a color-blind man, and half of her children, both male and female, are color-blind. The other aunts married men who have normal color vision. All their daughters have normal vision, but half of their sons are color-blind. a. Which of the boys four grandparents transmitted the gene for color blindness? b. Are any of the boys aunts or uncles color-blind? c. Is either of the boys parents color-blind?
A male has male pattern baldness, an x-linked recessive trait. Which of the following could be his genotype? Group of answer choices A.) XbYb B.) bb C.) XBY D.) XbY
Which is true regarding X-linked genes? Group of answer choices sons can only inherit them from the mother more common in females the genes are carried on the Y chromosome sons can only inherit them from the father
A family has an X-linked dominant form of congenital generalizedhypertrichosis (excessive hairiness). Although the allele is dominant,males are more severely affected than females. Moreover, the womenin the family often have asymmetrical, hairy patches on their bodies.How does X chromosome inactivation explain this observation?
Can a woman who is affected by an X-linked dominant disorder have a child who is not affected? Why or why not?
_______ is when the phenotype of the offspring does not reflect its genotype but rather that of the mother. Maternal effect Paternal effect Sex-influenced X-linked
Why are X-linked conditions more common in men than in women? Group of answer choices 1. men acquire two copies of the defective gene during fertilization. 2. men need to inherit only one copy of the recessive allele for the condition to be fully expressed. 3. the sex chromosomes are more active in men than in women. 4. the genes associated with the sex-linked conditions are linked to the Y chromosome, which determines maleness.
X-linked disorders (like hemophilia) are more likely to affect people of one gender than the other. Which gender is this, and why are x-linked disorders more likely to affect people of this gender?
Why are X-linked recessive disorders never passedfrom a father to a son?
Number of FEMALE offspring that would have the condition of an X-linked trait, if an affected man and a carrier woman had children
G6PD deficiency is an X-linked recessive disorder. When people who have this disorder eat fava beans, they have a dangerous acute reaction in which a large number of their red blood cells rupture. A mother has the disorder; the father does not. What is the chance that any child of this union will have the trait?
Red–green color blindness is a human X-linked recessive disorder. Jill has normal color vision, but her father is color blind. Jill marries Tom, who also has normal color vision. Jill and Tom have a daughter who has Turner syndrome and is color blind. Q. Did the daughter inherit her X chromosome from Jill or from Tom?