<http://webisa.webdatacommons.org/142572454>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wisegeek.com> .
<http://webisa.webdatacommons.org/142572454>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/516265509>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/142572454> .
<http://webisa.webdatacommons.org/142572454>	<http://www.w3.org/ns/prov#value>	"During conception, when the egg cell containing two X chromosomes meets the sperm cell that contains one X and one Y chromosome, a random pair is made, including either two X or an XY combination." .