Assertion: american beaver | /r/HasAspect | 40 chromosomes
Facets:
Source sentences:
text: North American beavers have 40 chromosomes, while Eurasian beavers have 48.
text: Although the Eurasian beaver appears superficially similar to the North American beaver, there are several important differences, chief among these being that the North American beaver has 40 chromosomes, while the Eurasian beaver has 48.
text: Both have different genetic structure since Eurasian beavers have 48 chromosomes, while North American beavers have 40 chromosomes.