amphidiploid

[ am-fi-dip-loid ]

noun

, Biology.

1. a plant having the sum of the chromosome numbers of two parental species, owing to the doubling of the chromosomes in a hybrid of two species.

amphidiploid

/ ˌæmfɪˈdɪplɔɪd /

noun

1. a plant originating from hybridization between two species in which the chromosome number is the sum of the chromosome numbers of both parental species. It behaves as an independent species

Word History and Origins

Origin of amphidiploid¹

First recorded in 1925–30; amphi- + diploid