male pronucleus

noun

Medical Definition of male pronucleus

: the nucleus that remains in a male gamete after the meiotic reduction division and that contains only one half of the number of chromosomes characteristic of its species — compare female pronucleus

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“Male pronucleus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/male%20pronucleus. Accessed 1 Dec. 2020.

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