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The following diagram illustrates four genes from the genome of a certain insect. Different binding sites are labeled in the enhancer region of each gene. enhancer promoter A BC DE Gene 1 |A| Gene 2 A C D E Gene 3 A BD Gene 4 In order for a specific gene to be expressed in the insect's cells, all of the gene's binding sites must be bound by transcriptional activators. • The insect's brain cells contain activators that bind to sites A, C, D, and E • The insect's salivary gland cells contain activators that bind to sites A, B, and D Which of the following is the most likely pattern of gene expression for the insect described above? Gene 2 will be expressed in both brain and salivary gland cells Both gene 1 and gene 4 will be expressed in salivary glands, but neither will be expressed in brain cells Gene 1 will be expressed in both brain and salivary glands Both gene 2 and gene 3 will be expressed in brain cells, but neither will be expressed in salivary gland cells

The following diagram illustrates four genes from the genome of a certain insect. Different binding sites are labeled in the enhancer region of each gene. enhancer promoter A BC DE Gene 1 |A| Gene 2 A C D E Gene 3 A BD Gene 4 In order for a specific gene to be expressed in the insect's cells, all of the gene's binding sites must be bound by transcriptional activators. • The insect's brain cells contain activators that bind to sites A, C, D, and E • The insect's salivary gland cells contain activators that bind to sites A, B, and D Which of the following is the most likely pattern of gene expression for the insect described above? Gene 2 will be expressed in both brain and salivary gland cells Both gene 1 and gene 4 will be expressed in salivary glands, but neither will be expressed in brain cells Gene 1 will be expressed in both brain and salivary glands Both gene 2 and gene 3 will be expressed in brain cells, but neither will be expressed in salivary gland cells

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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The following diagram illustrates four genes from the genome of a certain insect. Different binding sites are labeled in the enhancer region of each gene. enhancer promoter ABC D E Gene 1 A D Gene 2 АС DE Gene 3 ABD Gene 4 In order for a specific gene to be expressed in the insect's cells, all of the gene's binding sites must be bound by transcriptional activators. • The insect's brain cells contain activators that bind to sites A, C, D, and E • The insect's salivary gland cells contain activators that bind to sites A, B, and D Which of the following is the most likely pattern of gene expression for the insect described above? Gene 2 will be expressed in both brain and salivary gland cells Both gene 1 and gene 4 will be expressed in salivary glands, but neither will be expressed in brain cells Gene 1 will be expressed in both brain and salivary glands Both gene 2 and gene 3 will be expressed in brain cells, but neither will be expressed in salivary gland cells
Transcribed Image Text:The following diagram illustrates four genes from the genome of a certain insect. Different binding sites are labeled in the enhancer region of each gene. enhancer promoter ABC D E Gene 1 A D Gene 2 АС DE Gene 3 ABD Gene 4 In order for a specific gene to be expressed in the insect's cells, all of the gene's binding sites must be bound by transcriptional activators. • The insect's brain cells contain activators that bind to sites A, C, D, and E • The insect's salivary gland cells contain activators that bind to sites A, B, and D Which of the following is the most likely pattern of gene expression for the insect described above? Gene 2 will be expressed in both brain and salivary gland cells Both gene 1 and gene 4 will be expressed in salivary glands, but neither will be expressed in brain cells Gene 1 will be expressed in both brain and salivary glands Both gene 2 and gene 3 will be expressed in brain cells, but neither will be expressed in salivary gland cells
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