Asked by Sikanderdindyal@gmail.com Dindyal on Jun 10, 2024
Verified
Which genetic feature is least associated with females?
A) Barr body
B) Y chromosome
C) dosage compensation
D) XIST gene
E) X inactivation
Y Chromosome
A sex chromosome found in mammals, including humans, typically associated with male characteristics and inherited from father to son.
Dosage Compensation
Any mechanism of equalizing gene expression between males and females.
Barr Body
Inactivated (condensed) X chromosome in a cell of a female mammal.
- Discern the genetic elements that dictate sex determination in mammals, centering on the involvement of the SRY gene and the inactivation of the X chromosome.
Verified Answer
YM
yukta17 mehndirattaJun 16, 2024
Final Answer :
B
Explanation :
The Y chromosome is the male sex chromosome and is typically absent in females. All of the other options are associated with females, such as the Barr body (an inactive X chromosome in females), dosage compensation (the process by which females balance the expression of X-linked genes with males), the XIST gene (which is involved in X inactivation), and X inactivation (in which one of the two X chromosomes in females is randomly inactivated).
Learning Objectives
- Discern the genetic elements that dictate sex determination in mammals, centering on the involvement of the SRY gene and the inactivation of the X chromosome.