Assertion: male's y chromosome | /r/HasProperty | identified as sex-determining chromosome
Facets:
value: at bryn mawr college
type: LOCATION
value: during a study of the mealworm
type: TEMPORAL
value: by nettie stevens
type: OTHER
value: in 1905
type: TEMPORAL
Source sentences:
text: The Y chromosome was identified as a sex-determining chromosome by Nettie Stevens at Bryn Mawr College in 1905 during a study of the mealworm Tenebrio molitor.