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 Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter7: Development And Sex Determination
Section: Chapter Questions
Problem 19QP: Equalizing the Expression of X Chromosome Genes in Males and Females Individuals with an XXY...
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