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haploid

   Also found in: Dictionary/thesaurus, Encyclopedia, Hutchinson 0.09 sec.
haploid /hap·loid/ (hap´loid)
1. having half the number of chromosomes characteristically found in the somatic (diploid) cells of an organism; typical of the gametes of a species whose union restores the diploid number.
2. an individual or cell having only one member of each pair of homologous chromosomes.

hap·loid (hploid)
adj.
Having the same number of sets of chromosomes as a germ cell, or half the diploid number of a somatic cell. The haploid number (23 in humans) is the normal chromosome complement of germ cells.
n.
A haploid organism or cell.

haploidy (-loid) n.

haploid
[hap′loid]
Etymology: Gk, haploos, single, eidos, form
having only one complete set of nonhomologous chromosomes. Also monoploid, monoploidic. haploidy, n.

haploid,
adj possessing just one set of nonhomologous chromosomes. Also called
monoploid or
monoploidic.

haploid
having half the number of chromosomes characteristically found in the somatic (diploid) cells of an organism; typical of the gametes of a species whose union restores the diploid number.

haploid karyotype

haploid
Genetics adjective Referring to: 1. A normal chromosome complement–expressed as n 2. A cell with only one copy of each chromosome type–ie, half the number of chromosomes present in other cells; gametes–ie, sperm and ova are haploid. See Chromosome, Diploid, Polypoid, Prokaryote.


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? Mentioned in ? References in periodicals archive
 
Mitochondrial DNA is a useful marker in phylogenetic studies and molecular systematics because of its maternal inheritance, haploid nature, and rapid rate of evolution (38).
Resting, or diapause, eggs are haploid eggs that require fertilization and typically are produced after the production of males by females who have entered the sexual reproductive cycle.
Among many ants, bees, wasps, mites, and thrips, for example, unfertilized eggs develop into haploid males, which have just one set of chromosomes.
 
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