Both females and males have 46 chromosomes. When they have children, 23 of each parents chromosomes go together to make 46 chromosomes so the child can live, without all chromosomes their can be health issues.
Social and emotional health
I believe the correct answer is B because you obviously need to see if the person is still alive or not. I'm having second thoughts that it might be A.. I'm not sure which. Hopefully you get it right
A.),b.), and c.) it is considered all three