Hemophilia is an X-linked recessive trait in humans. If a heterozygous woman has children with an unaffected man, what is theprobability of each of the following combinations of children?A. An affected sonB. Four unaffected offspring in a rowC. An unaffected daughter or sonD. Two affected offspring out of five

Hemophilia is an X-linked recessive trait in humans. If a heterozygous woman has children with an unaffected man, what is theprobability of each of the following combinations of children?A. An affected sonB. Four unaffected offspring in a rowC. An unaffected daughter or sonD. Two affected offspring out of five

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter11: The Basic Principles Of Heredity

Section: Chapter Questions

Problem 6TYU: Redgreen color blindness is an X-linked recessive disorder in humans. Your friend is the daughter of...

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For an X-linked recessive allele, what proportion of female offspring will be carriers in the cross of an affected father and a noncarrying mother? a.50 percent b.0 percent c.100 percent
Hemophilia is an X-linked recessive disorder in humans. If a heterozygouswoman has children with an unaffected man, what are the probabilitiesthat she will have the following combinations of children? A. An affected sonB. Four unaffected offspring in a rowC. An unaffected daughter or sonD. Two out of five offspring that are affected
Color blindness is an X-linked trait caused by a recessive alle A carrier female marries a normal male a. How many male offspring can be expected to be color-blind and have a normal vison? b. How many female offspring can be expected to be carriers and to be normal?
Red-green color blindness is a sex-linked recessive trait in humans. Two people with normal color vision have a color-blind son. What are the geno types of the parents? a) XB Xb and XB Y b) Xb XB and XB Y c) XB XB and XB Y d) Xb Xb and Xb Y e) XB XB and Xb Y
Colour-blindness is the result of an X-linked recessive allele, Xc. The allele for normal eyesight is XC. (a) A woman with normal colour vision whose father was colour-blind marries a colour-blind man. Give the genotypes and phenotypes of their children. What ratio of their children can be expected to be colour-blind? (b) A man with normal colour vision whose father was colour-blind marries a woman carrier of the colour-blind allele. What is the likelihood that their children will be colour-blind? Carriers of the trait?
In humans, color blindness is a sex-linked recessive trait. A female who is a carrier (XBXb) for color blindness has children with a male with normal vision (XBY). Make a Punnett Square to help you answer the questions. What are the chances of their children being color blind? What are the chances of their children being ‘carriers’ for color blindness?
In humans, brown eyes (B) are dominant over blue. A brown eyed man marries a blue-eyed (b) woman and they have three children two of whom are brown-eyed and one of whom is blue-eyed. if blue is recessive, what must the woman’s genotype be?
In cats, black fur color is caused by an X-linked allele; the other allele at this locus causes orange color. The heterozygote is tortoiseshell. What kinds of offspring would you expect from the cross ofan orange female and a black male? A) black females; orange malesB) tortoiseshell females; black malesC) tortoiseshell females; tortoiseshell males D) tortoiseshell females; orange males E) orange females; black males
.Hemophilia is a blood-clotting disorder in humans that followsan X-linked recessive pattern of inheritance. A man with hemophilia and a woman without hemophilia have a daughter withhemophilia. If you let H represent the normal allele and h thehemophilia allele, what are the genotypes of the parents?a. Mother is XHXhand father is XhY.b. Mother is XhXhand father is XhY.c. Mother is XhXhand father is XHY.d. Mother is XHXhand father is XHY
Which of the following is indicated by roman numerals in a pedigree? a.Presence of the studied trait b.Generation c.Sex d.Marriage status Which of the following disorders in humans has an autosomal dominant inheritance pattern? a.Albinism b.Hemophilia c.Tay-Sachs disease d.Huntington’s disease For an X-linked recessive allele, what proportion of female offspring will be carriers in the cross of an affected father and a noncarrying mother? a.50 percent b.0 percent c.100 percent
Which of the following CANNOT be true about the inheriteance the trait depicted in the pedigree diagram below? A. It is recessive B. It is dominant C. It is on the X chromosome D. It is recessive, and it is on the X chromosome
In cats, coat color is an X-linked trait with incomplete dominance. Yellow coat is caused by the allele XT and black coat by the allele Xt. A tortoise coat is caused by the heterozygous condition. What are the possible gametes that a female cat with a black coat could produce? Group of answer choices: A) X(T) B) X(t) C) X(t) or X(T) D) X(T) or Y E) X(T) or Y