the production of haploid chromosome groups during meiosis.
Origin of haplosis
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biology the production of a haploid number of chromosomes during meiosis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Reduction of the diploid number of chromosomes by one half during meiosis, resulting in the haploid number.
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