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How many chromosomes does a human sperm cell contain?

By Zaira Salvador B.Sc., M.Sc. (embryologist).
Last Update: 11/02/2017

Sperm cells cannot divide because they are haploid, that is, they contain 23 chromosomes. However, after the fusion with the egg cell, which contains 23 chromosomes as well, they create a diploid cell of 46 chromosomes (totipotent zygote).

 Zaira Salvador
Zaira Salvador
B.Sc., M.Sc.
Embryologist
Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI)
License: 3185-CV
Embryologist. Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI) License: 3185-CV.