2,171
edits
Changes
→Classification of congenital disorders:
* In males, a mutation in the only copy of the gene in each cell causes the disorder.
* In males, a mutation in the only copy of the gene in each cell causes the disorder.
* In most cases, males experience more severe symptoms of the disorder than females. || fragile X syndrome
* In most cases, males experience more severe symptoms of the disorder than females.
|| fragile X syndrome
|-
|-
|X-linked recessive ||* Caused by mutations in genes on the X chromosome.
|X-linked recessive ||* Caused by mutations in genes on the X chromosome.