What provides nutrition to human sperms? State the genetic constitution of a sperm.

Sperm:

Sperm is a male gamete or reproductive cell, also known as a spermatozoon and it contains half of the genetic material to fertilize one egg to form the zygote.

Nutrition to human sperms:

1. The nurse cell of the testes; the Sertoli cell provides nutrition to human sperms.
2. The Sertoli cells are located in the seminiferous tubule.

The genetic constitution of a sperm:

1. The genetic constitution of sperm is $22+X$chromosome or $22+Y$ chromosome.