noun
diploidy
Genetics term referring to the state of having two complete sets of chromosomes, typical of somatic cells.
ヒトの体細胞は二倍性である。
Human somatic cells are diploid.
二倍性の生物は、各染色体を二本ずつ持つ。
Diploid organisms have two copies of each chromosome.
Ploidy; the general concept of chromosome set number, of which diploidy is a specific case.
Compound of 二倍 (double) + 性 (nature/property), a straightforward calque or adaptation of the Western scientific term 'diploidy'.