PATHOLOGY

Detailed explanation-1: -When a gene is present on the X chromosome, but not on the Y chromosome, it is said to be X-linked.

Detailed explanation-2: -Not to stir up a battle of the sexes, but the X chromosome (females have two of them, while males have one) is five times larger than the Y chromosome, and has 10 times the number of genes. That means it carries more traits-and diseases-than the Y chromosome.

Detailed explanation-3: -X-linked recessive inheritance refers to genetic conditions associated with mutations in genes on the X chromosome. A male carrying such a mutation will be affected, because he carries only one X chromosome.

Detailed explanation-4: -A female with Turner syndrome is missing part or all of 1 sex chromosome. This means she has just 1 complete X chromosome. The Y chromosome determines “maleness", so if it’s missing, as in Turner syndrome, the sex of the child will invariably be female.