Y-chromosome haplogroup
Technical term in genetics and anthropology referring to a group of Y-chromosome lineages sharing a common ancestor.
We investigated the distribution of Y-chromosome haplogroups among Japanese men.
Mitochondrial DNA haplogroup, inherited maternally, contrasted with Y-chromosome haplogroup.
Standard technical spelling using full-width Ｙ and kanji for 染色体.
Variant with half-width Y, common in English-influenced contexts.
Compound of Ｙ染色体 (Y-chromosome) and ハプログループ (haplogroup), a loanword from English.