Write a grammatically correct sentence that explains what a chromosome is and why it is important.

A chromosome is a threadlike structure made up of nucleic acids and protein found in the nucleus of most living cells, and it carries the genetic information of that organism in the form of genes.

The fundamental importance is that the chromosome contains the DNA which is necessary for the production of amino acids which in turn produce the proteins that help in the metabolic fuctions of our body, and for passing on genetic information to the next generation.

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.