Based on the pedigree chart what should you assume about the perental generation

The mother was a carrier for a sex-linked disease.

Explanation:

B) The mother was a carrier for a sex-linked disease.

Explanation:

This must be a sex-linked recessive trait as neither parent has the disorder. Sex-linked disorders affect mostly males.

try this:

go tos official website.

click on your profile pic at the top right of the screen and click 'edit profile'.

click on "preferences" and press "year of birth".

and then just maybe try to reset whatever error made before by typing in the correct age details again. hope this !