Also found in: Dictionary, Encyclopedia.
Reduction of the diploid number of chromosomes by one half during meiosis, resulting in the haploid number.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
haplosisThe process of halving of the DIPLOID number of chromosomes by reduction division (MEIOSIS).
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005