Failure of segregation of chromatids during cell division cycle results in the gain or loss of a chromosome(s), called aneuploidy. For example, Down’s syndrome results in the gain of extra copy of chromosome 21. Similarly, Turner’s syndrome results due to loss of an X chromosome in human females.
By Jagran Josh
Jan 14, 2013 17:00 IST
Principles of Inheritance and Variations (Part-2)
What is sex determination? What do mean by the tem Chromosomal disorders? To get more details about the topic sex determination please go through the video.