Assertion: x chromosome | /r/CapableOf | come at his parentsgeneration
Facets:
value: from a single parent
type: OTHER
Source sentences:
text: The male counts as the "origin" of his own X chromosome ( F 1 = 1 {\displaystyle F_{1}=1} ), and at his parents' generation, his X chromosome came from a single parent ( F 2 = 1 {\displaystyle F_{2}=1} ).