polyploidy

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polyploidy

 [pol´e-ploi″de]
the state of having more than two sets of homologous 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]

polyploidy

/poly·ploi·dy/ (-ploi″de) possession of more than two sets of homologous chromosomes.

polyploidy

[pol′iploi′dē]
the state or condition of having more than two complete 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, and hexaploid.
[poly- + G. ploidēs, in form]

polyploidy

the state of having more than two sets of homologous chromosomes; that is a multiple of the normal diploid number. Results from replication within a nucleus without nuclear division.
References in periodicals archive ?
1986) has also done crossing between Fragaria x ananassa (2n = 8x = 56) and Fragaria vesca (2n = 2x = 14) which produced decaploids after chromosome doubling (Fragaria vescana 2n = 10x = 70), and Yanagi et al.
We were not able to count chromosome numbers of the decaploid B.
ovina in older literature range from the diploid through the decaploid levels (2n = 14, 28, 42, 56, 70) (summarized by Vinall and Hein, 1937).