Explain why it is necessary that gametes (egg cells and sperm cells) have half the DNA that normal body cells have.​

Gametes are reproductive cells, such as sperm and egg. As gametes are produced, the number of chromosomes must be reduced by half. Why? The zygote must contain genetic information from the mother and from the father, so the gametes must contain half of the chromosomes found in normal body cells.

Explanation:

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

just go with your heart buddy