QUESTION 18 Which of the following statements about Transmission Ratio Distortion, as exemplified by the SD (Segregation Distorter) system in Drosophila, is TRUE? Transmission ratio distortion is caused by inversions on the SD chromosome. O The SD system includes a cis-acting, shortened version of a RanGAP protein and a trans-acting DNA repeat locus. O Distortion operates only in males, due to sex-linkage. The SD chromosome distorts transmission ratios by killing gametes that do not contain it. The loci that make up the SD system assort independently of each other at meiosis.
QUESTION 18 Which of the following statements about Transmission Ratio Distortion, as exemplified by the SD (Segregation Distorter) system in Drosophila, is TRUE? Transmission ratio distortion is caused by inversions on the SD chromosome. O The SD system includes a cis-acting, shortened version of a RanGAP protein and a trans-acting DNA repeat locus. O Distortion operates only in males, due to sex-linkage. The SD chromosome distorts transmission ratios by killing gametes that do not contain it. The loci that make up the SD system assort independently of each other at meiosis.
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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