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3. A calico cat is a domestic cat of any breed with a tri-color coat. They are heterozygous for two alleles of a single coat color locus: B/O. When homozygous, the O allele gives a completely orange coat and the B allele a completely black coat. Large patches of a calico cat's coat can be either orange or black. Which of the following statements about the calico cat is false? 1. In cells in a black-colored patch, the Xist gene product, a non-coding RNA, is expressed from the chromosome carrying the O allele. 2. The patchy coat coloring is due to segregation of the B and O alleles from each other, early in embryonic development 3. this cat is female and the coat color locus is X-linked 4. In any coat cell in this cat, only one of the two color alleles is expressed 5. A male offspring kitten from this cat could be either completely orange or completely black, but not patchy like its parent

3. A calico cat is a domestic cat of any breed with a tri-color coat. They are heterozygous for two alleles of a single coat color locus: B/O. When homozygous, the O allele gives a completely orange coat and the B allele a completely black coat. Large patches of a calico cat's coat can be either orange or black. Which of the following statements about the calico cat is false? 1. In cells in a black-colored patch, the Xist gene product, a non-coding RNA, is expressed from the chromosome carrying the O allele. 2. The patchy coat coloring is due to segregation of the B and O alleles from each other, early in embryonic development 3. this cat is female and the coat color locus is X-linked 4. In any coat cell in this cat, only one of the two color alleles is expressed 5. A male offspring kitten from this cat could be either completely orange or completely black, but not patchy like its parent

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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3. A calico cat is a domestic cat of any breed with a tri-color coat. They are heterozygous for two alleles of a single coat color locus: B/O. When homozygous, the O allele gives a completely orange coat and the B allele a completely black coat. Large patches of a calico cat's coat can be either orange or black. Which of the following statements about the calico cat is false? 1. In cells in a black-colored patch, the Xist gene product, a non-coding RNA, is expressed from the chromosome carrying the O allele. 2. The patchy coat coloring is due to segregation of the B and O alleles from each other, early in embryonic development 3. this cat is female and the coat color locus is X-linked 4. In any coat cell in this cat, only one of the two color alleles is expressed 5. A male offspring kitten from this cat could be either completely orange or completely black, but not patchy like its parent
Transcribed Image Text:3. A calico cat is a domestic cat of any breed with a tri-color coat. They are heterozygous for two alleles of a single coat color locus: B/O. When homozygous, the O allele gives a completely orange coat and the B allele a completely black coat. Large patches of a calico cat's coat can be either orange or black. Which of the following statements about the calico cat is false? 1. In cells in a black-colored patch, the Xist gene product, a non-coding RNA, is expressed from the chromosome carrying the O allele. 2. The patchy coat coloring is due to segregation of the B and O alleles from each other, early in embryonic development 3. this cat is female and the coat color locus is X-linked 4. In any coat cell in this cat, only one of the two color alleles is expressed 5. A male offspring kitten from this cat could be either completely orange or completely black, but not patchy like its parent
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