Anyone know the answer?

3.gender:male

disorder name:non-disjunction(when the chromosomes fail to seperate or having extra number of chromosomes)

4.gender:female

disorder:down syndrome

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )

i think its both a and b