Q. In man which of the following genotypes and phenotypes may be the correct result of aneuploidy in sex chromosomes

 2471  220 UP CPMTUP CPMT 2004Principles of Inheritance and Variation Report Error

Solution:

Aneuploidy is the condition of cells having more or less than integral multiple of typical haploid chromosome number. Thus, 22 + XXY is an extra sex chromosome due to non-disjunction of a pair of sex chromosome either in an ovum or sperm.