tetraploid

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Related to tetraploids: polyploid, euploid, diandry, Allotetraploid

tetraploid

 [tet´rah-ploid]
1. characterized by tetraploidy.
2. an individual or cell having four sets of chromosomes.

pol·y·ploi·dy

(pol'ē-ploy'dē),
The state of a cell nucleus containing three or more haploid sets. Cells containing three, four, five, or six multiples are referred to, respectively, as triploid, tetraploid, pentaploid, or hexaploid.
[poly- + G. ploidēs, in form]

tetraploid

/tet·ra·ploid/ (tet´rah-ploid)
1. characterized by tetraploidy.
2. an individual or cell having four sets of chromosomes.

tetraploid

(tĕt′rə-ploid′)
adj.
Having four times the haploid number of chromosomes in the cell nucleus: a tetraploid species.
n.
A tetraploid individual.

tet′ra·ploi′dy n.

tetraploid (4n)

[tet′rəploid]
Etymology: Gk, tetraploos, fourfold, eidos, form
1 an individual, organism, strain, or cell that has four complete sets of chromosomes, quadruple the haploid number characteristic of the species. In humans the tetraploid number is 92; it occurs extremely rarely, in aborted or stillborn fetuses.
2 also tetraploidic. Pertaining to such an individual, organism, strain, or cell. Compare diploid, haploid, triploid. See also polyploid. tetraploidy, n.

tetraploid

Referring to a polyploid organism with four (4X) sets of chromosomes derived from two different parental species, resulting in an allopolyploid organism.

pol·y·ploi·dy

(pol'ē-ploy'dē)
The state of a cell nucleus containing three or more haploid sets. Cells containing three, four, five, or six multiples are referred to, respectively, as triploid, tetraploid, pentaploid, and hexaploid.
[poly- + G. ploidēs, in form]

tetraploid

  1. having four times the HAPLOID (1) number of chromosomes in the nucleus.
  2. an individual with four sets of chromosomes per cell. see TRIPLOID.

tetraploid

1. characterized by tetraploidy.
2. an individual or cell having four sets of chromosomes.
References in periodicals archive ?
In addition, sperm cryopreservation can extend the commercialization of triploid tetraploid technology in the oyster industry by sale of frozen sperm from tetraploids, providing cost savings for maintaining tetraploids, and protecting intellectual property.
Colchicine-induced tetraploids of diploid crested wheatgrass [A.
There is also a common misconception that sugar content is higher in tetraploid varieties (with double the usual number of chromosomes) than in diploid varieties.
Mattsson assumed both species to be tetraploid evolving from a diploid base with x = 6M with subsequent considerable loss of major arms.
Reproductive potential of tetraploids needs to be examined further.
Galax is monotypic within its genus (Palser, 1963; Brummitt, 1972; Ronblom and Anderberg, 2002) and represents an autotetraploid series, with diploids (2x = 12), triploids (3x= 18) and tetraploids (4x = 24) occurring in uniform- as well as mixed-cytotype populations (Baldwin, 1941; Nesom, 1983; Burton and Husband, 1999).
Plants identified as tetraploids by DNA jah quantification and even those confirmed later as mixoploid, through chromosome counting, were isolated and showed viable seed production.
Colchicine induced tetraploids in yellow-flowered cyclamens and their characteristics.
it allows for recurrent production of new tetraploids with different
A complementary method for production of tetraploid Crassostrea gigas using crosses between diploids and tetraploids with cytochalasin b treatments.
The investigators also are developing tetraploid orange-flesh potato varieties.