Indicate the expected number of Bam bodies in interphase cel

Indicate the expected number of Bam bodies in interphase cells of individuals with the following karyotypes. Part A 46 XY 21 Part B 45 XO(Turner\'s syndrome) _____

Solution

Answer for part B is ---> one (1)

Reason:

Monosomy produces cells with 45 chromosomes instead of 46 chromosomes in the cells and it often referred as aneuploidy. Turner syndrome is the result of autosomal monosomy leading to miscarriage in early pregnancy followed by spontaneous abortion due to lethal effects.

Normally females possess two X chromosomes but in case of Turner syndrome females have one X chromosome inactivation so that a barr body is generated with 45 XO