Assertion: semen's sperm cell | /r/CapableOf | carry ychromosomes
Facets:
Source sentences:
text: According to one of his interviews, some “original research had taken place in the 1980s at the Lawrence Livermore National Laboratory in California and their studies of sperm led to discoveries regarding differences between sperm cells carrying ‘X’ or ‘Y’ chromosomes”.
text: that they carry an X-chromosome, while sperm cells that give rise to male (XY) offspring carry a Y-chromosome.