ploidy

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Related to Ploidies: euploid, hypoploidy, alloploid, tetraploids

ploi·dy

(ploy'dē),
The number of haploid sets in a cell. Gametes normally contain one; somatic cells two.
See also: polyploidy.
[-ploid + -y, condition]

ploidy

(ploi′dē)
n.
A multiple of the basic number of chromosomes in a cell.

ploidy

[ploi′dē]
Etymology: Gk, eidos, form
the status of a cell nucleus in regard to the number of complete chromosome sets it contains.

ploi·dy

(ploy'dē)
The number of haploid sets in a cell. Gametes normally contain one; autosomal cells, two.
See also: polyploidy
[ploid + -y, condition]

ploidy

The number of copies of the set of chromosomes in a cell. A normal diploid cell with two copies has a ploidy of two; a haploid cell with one copy, such as an ovum or a spermatozoon, has a ploidy of one.

ploidy

the number of chromosome sets making up the total genome of an organism.

Thus the ploidy of normal humans is two and is written 2n. See DIPLOID (1).

References in periodicals archive ?
The mean yield (total weight of all live oysters) in 2006 and 2007 within and among sites and ploidies is presented in Table 6.
Mortality was found to be similar between the 2 ploidies in S.
virginica exhibit a clear advantage over diploids even when both ploidies are disease resistant, as observed previously in S.