Dogs in a certain breed have either long hair or short hair, as shown in the figure. Scientists sequenced the genomes of a sample of the dogs and found that the long-haired individuals have a 2-base insertion mutation in a gene that affects hair length. Individuals with short hair do not have a 2-base insertion mutation in that gene. Which of the following best explains how the insertion mutation affects the hair length of the dogs? A B с D The mutation results in the loss of a protein that is normally present in hair. The mutation results in the loss of the function of a protein that slows hair growth. The mutation results in a single amino-acid difference in the sequence of a protein that stimulates hair growth. The mutation results in two extra amino acids in a protein that stimulates hair growth.
Dogs in a certain breed have either long hair or short hair, as shown in the figure. Scientists sequenced the genomes of a sample of the dogs and found that the long-haired individuals have a 2-base insertion mutation in a gene that affects hair length. Individuals with short hair do not have a 2-base insertion mutation in that gene. Which of the following best explains how the insertion mutation affects the hair length of the dogs? A B с D The mutation results in the loss of a protein that is normally present in hair. The mutation results in the loss of the function of a protein that slows hair growth. The mutation results in a single amino-acid difference in the sequence of a protein that stimulates hair growth. The mutation results in two extra amino acids in a protein that stimulates hair growth.
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
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Transcribed Image Text:Long-Haired Phenotype
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Dogs in a certain breed have either long hair or short hair, as shown in the figure. Scientists sequenced the genomes of a sample of the dogs and found that the long-haired individuals have a 2-base
insertion mutation in a gene that affects hair length. Individuals with short hair do not have a 2-base insertion mutation in that gene.
Which of the following best explains how the insertion mutation affects the hair length of the dogs?
B
The mutation results in the loss of a protein that is normally present in hair.
The mutation results in the loss of the function of a protein that slows hair growth.
Short-Haired Phenotype
The mutation results in a single amino-acid difference in the sequence of a protein that stimulates hair growth.
The mutation results in two extra amino acids in a protein that stimulates hair growth.
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Step 1
Given that dogs have have either long hair or short hair in some breeds.
*Scientists have sequenced the genome of dog sample and found long hair individuals have 2 base insertion mutation in a gene that effects hair length.
Whereas the Individuals with short hair are not having 2 base insertion mutation in that gene.
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