If haploid didn't occur on gametes, it would occur on diploid, which would increase the number of chromosomes, and the child would have a lot of them.
So, what would happen if gametes were not haploid is that B. the offspring would have double the number of chromosomes it is supposed to have.
The answer is D, all of the above.
Organic molecules can form in a reducing atmosphere. Good luck.
No, amino acids are not alive.