Question

I really need help with this someone please!! im offering the rest of my points

Below is a pedigree for a neurological disorder, of which one son has been affected. The disease is caused by a mutation on the X chromosome. Is the disorder recessive or dominant? Did the disorder come from mom or dad?



Recessive; dad

Recessive; mom

Dominant; dad

Dominant; mom

Answer 1

Dominant; Dad!!!!!!!

Answer 2

Recessive;mom

Step-by-step explanation:

I honestly don't have an explanation. I took this test twice, the correct answer is recessive;mom.