The mechanism that causes a gene to move from one linkage group to another is called

The movement of a gene from one linkage group to another is called

The affected individuals are short-statured in disorders like:

When the chromosome number of a given organism has one additional chromosome in one of the homologous pairs,the addition is known as

What is a change in the number of chromosomes called?

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?