Question

Which is true regarding all X-linked disorders?

Group of answer choices

they result in a longer lifespan

they are caused by mutations of the X chromosome

they are linked to an unknown chromosome

they are disorders that affect only women

Answer 1

they are caused by mutations of the X chromosome

Step-by-step explanation:

The X chromosome contains many genes in addition to those that determine sex. Certain hereditary defects determine by recessive genes are linked to the X chromosome. The disorders are caused by mutations of the X chromosomes.