Hair is composed of the protein keratin, which is also the primary component of finger and toe . Hair is produced from a structure called the hair . Humans develop hair follicles during development, and no new follicles are produced after birth.

Explanation:

1.  Keratin is the protein that makes up hair, skin, nails and horns in animals. It can also be found in many  internal organs and glands. Our Hair is composed of keratin protein, and it  is also the primary component of finger and toe nails.

2. Hair is produced from hair follicles. Hair follicles are develop in humans during fetal development, and there is no new follicle production after birth.

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.