A spermatid is a immature male sex cell. It is formed through meiosis. The actual number of chromosomes depends on the species of the parent organism. In human each spermatid will contain 23 chromosomes because they contain haploid number of chromosomes. A normal somatic cell is diploid it contains 46 chromosomes.

Number of Chromosomes in Spermatids

Spermatids are the immature male gametes that are produced during the process of spermatogenesis. Spermatogenesis is the process by which spermatogonia (diploid cells) undergo meiosis to produce haploid sperm cells. The number of chromosomes in spermatids is determined by the events that occur during meiosis.

1. Diploid Spermatogonia
Spermatogenesis begins with the division of diploid spermatogonia, which are precursor cells found in the seminiferous tubules of the testes. These spermatogonia contain a full set of chromosomes, which in humans is 46 (2n), comprising 22 pairs of autosomes and one pair of sex chromosomes (XX in females, XY in males).

2. First Meiotic Division
During the first meiotic division (meiosis I), the diploid spermatogonia undergo DNA replication, followed by two rounds of cell division. This results in the formation of four haploid cells called secondary spermatocytes. Each secondary spermatocyte contains half the number of chromosomes as the original spermatogonium, so they have 23 chromosomes each.

3. Second Meiotic Division
The secondary spermatocytes then enter the second meiotic division (meiosis II), which is similar to mitosis. During this division, the chromosomes are separated, resulting in the formation of four spermatids. Each spermatid is haploid and contains only one set of chromosomes, which is 23 in humans.

4. Maturation of Spermatids
Spermatids are round cells with condensed chromosomes. They undergo a process called spermiogenesis, which involves extensive morphological changes to transform them into mature sperm cells (spermatozoa). During this process, the spermatids develop a flagellum for motility and shed excess cytoplasm.

Conclusion
In conclusion, spermatids are haploid cells that contain half the number of chromosomes as the original spermatogonia. In humans, spermatids have 23 chromosomes, comprising 22 pairs of autosomes and one sex chromosome (X or Y). It is important to note that spermatids are not functional sperm cells yet and further maturation is required for them to become motile and capable of fertilization.