haploid - Dictionary definition and pronunciation - Yahoo! Education
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hap·loid  audio  (hploid) KEY 

ADJECTIVE:
  1. Having the same number of sets of chromosomes as a germ cell or half as many as a somatic cell.
  2. Having a single set of chromosomes.
NOUN:
An organism having haploid cells.
ETYMOLOGY:
From Greek haplous, single; see sem-1 in Indo-European roots + -oid


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