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tetraploidy

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tetraploidy [′te·trə‚plȯid·ē]
(cell and molecular biology)
The occurrence of related forms possessing in the somatic cells chromosome numbers four times the haploid number.
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All temperature shocks inducing tetraploidy were applied 18-23 min postspawning for a 5-10 min duration.
The effectiveness of heat, cold and 6-dimethylaminopurine shocks for ... by Preston, N.P. / Journal of Shellfish Research
Thirty-eight (67%) of the cases with chromosomal abnormalities were karyotype 45,X; the rest of the observed chromosomal abnormalities were 45,X/47,XXX (n = 1), trisomy 21 (n = 7), trisomy 18 (n = 5), trisomy 13 (n = 2), triploidy (n = 1), tetraploidy (n = 1), isochromosome 22 (n = 1), and addition chromosome 4 (n = 1).
Descriptive epidemiology of cystic hygroma: Hawaii, 1986 to 1999 by Merz, Ruth D. / Southern Medical Journal
Tetraploidy was assumed when all chromosomes investigated showed signal gains up to 4.
Identification of numerical chromosomal changes detected by ... by Al-Maghrabi, Jaudah; Vorobyova, Lada; Toi, A.; Chapman, William; Zielenska, Maria; Squire, Jeremy A. / Archives of Pathology & Laboratory Medicine
 
 
 
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