About: http://webisa.webdatacommons.org/169817049

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Before the discovery of chromosomal sex determination, Gustav Born discovered environmental factors, particularly nutrition, that influence the sex ratio.
http://www.w3.org/ns/prov#wasQuotedFrom	geni.com