Ineed to finish this question 20 points
how can a three-foot long section of dna fit in the nucleus of one cell?

Nucleosome is responsible for this occurrence.

Read more here: https://www.quora.com/How-can-a-three-foot-long-section-of-DNA-fit-in-the-nucleus-of-one-cell

Good luck!

-RxL

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.