Rough endoplasmic reticulum is the area in a cell where are synthesized.

proteins

Explanation:

Rough endoplasmic reticulum is the area in a cell where proteins are synthesized.

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.