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A XY individuals transcribe the Sxl gene early but not late. B XX individuals carry the Sxl gene, XY individuals do not. XX individuals transcribe the Sxl gene, XY individuals do not. XX individuals express the Sxl protein, XY individuals do not. E) The Sxl transcript (Pre-MRNA) is spliced differently in XX compared to XY individuals.

A XY individuals transcribe the Sxl gene early but not late. B XX individuals carry the Sxl gene, XY individuals do not. XX individuals transcribe the Sxl gene, XY individuals do not. XX individuals express the Sxl protein, XY individuals do not. E) The Sxl transcript (Pre-MRNA) is spliced differently in XX compared to XY individuals.

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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In Drosophila sex determination __________ (Check all that apply) A. XY individuals transcribe the Sxl gene early but not late. B. XX individuals carry the Sxl gene. XY individuals do not. C. XX individuals transcribe the Sxl gene, XY individuals do not. D. XX individuals express the Sxl protein, XY individuals do not. E. The Sxl transcript (Pre-mRNA) is spliced differently in XX compared to XY individuals.
Transcribed Image Text:In Drosophila sex determination __________ (Check all that apply) A. XY individuals transcribe the Sxl gene early but not late. B. XX individuals carry the Sxl gene. XY individuals do not. C. XX individuals transcribe the Sxl gene, XY individuals do not. D. XX individuals express the Sxl protein, XY individuals do not. E. The Sxl transcript (Pre-mRNA) is spliced differently in XX compared to XY individuals.
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Sex lethal genes

Sxl is a gene that is involved in the exression of the X:A signal . It is a key gene that is involved in the controlling of sex determination as well as the dosage compensation processes . Sex lethal genes are activated in the females and are inactivate in the case of the males.

 

 

 

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