hyperploid


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hyperploid

[′hī·pər‚plȯid]
(genetics)
Having one or more chromosomes or parts of chromosomes in excess of the haploid number, or of a whole multiple of the haploid number.
References in periodicals archive ?
Occasionally, either hypoploid meiocytes [35-37] or enucleated meiocytes or meiocytes with a hyperploid number of chromosomes have been reported [30, 37-39].
Crosses between maternal triploid and paternal diploid accessions generated diploid, triploid, tetraploid, aneuploid, and hyperploid progeny (Vuylsteke et al., 1993a).