Asked by Yashira Morales on Jun 29, 2024
Verified
In terms of sex chromosomes, the cells of female mammals contain ____.
A) one X chromosome and one Barr body
B) one X chromosome
C) one X chromosome and one Y chromosome
D) two active X chromosomes
E) two Barr bodies
Sex Chromosomes
Chromosomes that determine the sex of an organism, commonly referred to as X and Y chromosomes in many species.
Female Mammals
Members of the mammalian species characterized by the possession of mammary glands with which they feed their young, and typically possessing two X chromosomes.
Barr Body
An inactivated X chromosome found in the nuclei of female mammalian cells.
- Determine the genetic foundation of sex determination in mammals, focusing on the function of the SRY gene and the inactivation of the X chromosome.
Verified Answer
EM
Eliana Maria Uribe EscobarJul 02, 2024
Final Answer :
A
Explanation :
Female mammals have two X chromosomes in each cell, and typically, one of these X chromosomes is inactivated and forms a Barr body.
Learning Objectives
- Determine the genetic foundation of sex determination in mammals, focusing on the function of the SRY gene and the inactivation of the X chromosome.