They make up everything needed to create DNA, although im not very sure, i think the answer your looking for is DNA.
Answer:
human biology
Explanation: Human biology is the branch of biology that deals with human beings and human populations. It includes all the aspects of the human as an organism including genetics, ecology, anatomy and physiology, anthropology, and nutrition.
There is 23 chromosomes in one gamete
I think it would be Actively. Im not sure tho.
Answer:
Molecular genetics is the study of the molecular structure of DNA, its cellular activities, and its influence in determining the overall makeup of an organism. Molecular genetics relies on genetic engineering.
Explanation: