Well, I don't fully understand your question. I think I know what you're getting at though.
In a system of sexual reproduction, you have genes coming from both an egg and the sperm. Therefore, it'll only contain half the total amount of chromosomes (46 in humans). A sperm will have 23, and the egg will have the other 23. Is that what you meant why the chromosomes are cut out in pairs? If that wasn't your question, please elaborate and I'll return to answer it to the best of my capabilities.
If she spent $42.15 on dinner it does not matter that this is half.
The equation should be: x-42.15

20
I hope that this is the answer that you are looking for.
Answer:
+1
Explanation:
because when an atom loses an electron it gains
The answer is Procrastinating
Work ethics ,working at a steady rate and personal goals will help with control, organization and consistency which will all reduce stress
Procrastinating builds up work until last minute which will give the most stress
Yo uknow if it is organic if it contains oxige, carbon and maybe hydrogen