Answer:
y chromosome is responsible to determined the sex of the child
x chromosome don't determined the Sex of the child
This could make an organization more successful, because they have been there longer, people will know who they are, the word will get out to people about them, it will become a trusted part of its community
A RN Nurse would be better and quicker and a good start. Many schools are forwarding that position and beginning to make classes about it, as the nurse job is the future.
That's my opinion, take it from a Fire Fighter and soon to be EMT.