英和和英

語源

From diplo- +‎ -oid. By surface analysis, di- +‎ -ploid.

発音

/ˈdɪˌplɔɪd/

• (General American) enPR: IPA: /ˈdɪploiːʔ/
• 韻: -ɔɪd

形容詞

diploid (not comparable)

1. (genetics) Of a cell, having a pair of each type of chromosome, one of the pair being derived from the ovum and the other from the spermatozoon. Most somatic cells of higher organisms are diploid.
   • 2015 July 4, Heinz-Ulrich Reyer, Christian Arioli-Jakob, Martina Arioli, “Post-zygotic selection against parental genotypes during larval development maintains all-hybrid populations of the frog Pelophylax esculentus”, in BMC Evolutionary Biology‎, volume 15, →DOI:

     It has been shown, however, that triploid forms producing diploid gametes in one sex and haploid ones in the other sex can act as a stepping stone towards tetraploidization (triploid bridge; [ 93 – 95 ]).

2. (genetics) Of an organism, having diploid cells.
3. (crystallography) Of a certain symmetry class with 24 congruent irregular quadrilateral faces.

派生語

参考

• haploid
• polyploid
• tetraploid
• triploid

名詞

diploid (plural diploids)

1. A diploid cell.
2. A diploid organism.
   • 1995, Romuald Kosina, Tetraploids of the Genus Triticum in the Light of Caryopsis Structure:

     The variation of caryopsis characters in species of Aegilops and wheat diploids is similar to that of wheat tetraploids .