Turner's syndrome in humans is caused by

The trisomic condition of $Down's$ syndrome arises due to:

The number of chromosomes in Turner's syndrome is

In humans,which of the following genotypes and phenotypes is a correct result of aneuploidy in sex chromosomes?

In the hexaploid wheat, the haploid $(n)$ and basic $(x)$ numbers of chromosomes are

Due to non-disjunction of chromosomes during spermatogenesis,sperms carry both sex chromosomes $(22A + XY)$ and some sperms do not carry any sex chromosome $(22A + O)$. If these sperms fertilize normal eggs $(22A + X)$,what types of genetic disorders appear among the offspring?