The answer is c hope this helps if that’s not it tell me and I’ll try to figure it out again
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.
There are many reasons why Zachary can't concentrate. He might have something on his mind that is bothering him, he could be hungry, he could not have a lot of energy. The best thing Zachary could do to help the paper not suffer is leave his desk and paper alone for about a half an hour, and maybe eat something, or just take a break. Maybe take a nap to get some energy back up so that he can get everything he needs in his paper.
