Question

alkaptonuria
ist generation affected female
then
2nd generation risk of affected child
child born from affected female and male
unknown status
what percentage chance of getting disease?

Answer 1

well ist generation is affected female
then second generation coupling with male
status of that we do not know
so
1/2 risk from affected female
and
1/4 risk from male counter part carrier
so making affected
3rd generaion child
so 1/2*1/4
=1/8
12.5
is it correct

Answer 2

25 percent is incorrect