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haploid

A Dictionary of Plant Sciences | 1998 | | © A Dictionary of Plant Sciences 1998, originally published by Oxford University Press 1998. (Hide copyright information) Copyright

haploid Applied to a cell nucleus that contains one of each type of chromosome, i.e. one set of chromosomes, designated n. Gametes are haploid, in contrast with most somatic cells, which usually have some multiple of this number, usually 2n (diploid), but sometimes 3n (triploid), 4n (tetraploid), or many-n (polyploid). A haploid cell thus has only one chromosome set, and a haploid organism contains only haploid cells.

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