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‘Oocytes and sperm are haploid, with one set of chromosomes, whereas somatic cells are diploid, with two chromosomal sets.’
‘An obvious question is whether the mat bias is absent in azygotic meiosis after homologous chromosomes have coexisted in diploid cells for many mitotic divisions.’
‘We started the experiments described below by establishing large populations of diploid cells.’
‘We performed a similar experiment using h/h diploid cells as the host.’
‘However, to a low extent, viable spores can also be recovered from a very small population of homozygous diploid nuclei in an otherwise haploid plasmodium.’
1.1(of an organism or part) composed of diploid cells.
‘Note that copy numbers in tetraploids were slightly less than double those in respective diploid progenitors.’
‘The practical application that is considered is the full-sib family of a diploid outbreeding species.’
‘Currently, six major tetraploid races are recognized and their diploid progenitors have been identified.’
‘We examined the genetics of hybrid incompatibility between two closely related diploid hermaphroditic plant species.’
‘The compactness of rice and sorghum genomes is evident compared to barley and diploid wheat genomes.’
noun
Genetics
A diploid cell, organism, or species.
‘Arabidopsis thaliana and many closely related species are diploids with relatively few recent gene duplications.’
‘We conclude that the haploids had a greater frequency of mutant phenotypes than the diploids.’
‘Previous work has calculated the covariance expected under autosomal inheritance in diploids and haploids.’
‘The diploid ancestor could not be identified because among the South American diploids there were no species matching in the FISH or RFLP pattern of rDNA.’
‘In diploids, sexual reproduction promotes both the segregation of alleles at the same locus and the recombination of alleles at different loci.’
Origin
Late 19th century: from Greek diplous ‘double’ + -oid.