Hazard, Analysis, Critical, Control, Point.
I believe the answer is C, but please correct me if I’m wrong!
Ummm. It's simply not a question l. "How not to be lonely." Is a statement. Like, this is how not to be lonely.... if it were to be a question then you would say, "How do you not be so lonely?"
Answer:
1. A human body has 23 pairs of chromosomes out of which 2 pairs are sex chromosomes.
2. Male has X and Y chromosomes whereas the female has both X chromosomes.
3. The baby inherits an X chromosome from mother and X or Y chromosome for father.
4. If a baby inherits X from father then the baby will be a girl and if inherits Y then that baby will be a boy.
5. In such a way, sex of the child is determined and it is always determined by the father only.