Assertion: chromosome's effect | /r/HasProperty | understood
Facets:
value: much better
type: DEGREE
Source sentences:
text: A 2004 review in Nature Reviews Neuroscience observed that "because it is easier to manipulate hormone levels than the expression of sex chromosome genes, the effects of hormones have been studied much more extensively, and are much better understood, than the direct actions in the brain of sex chromosome genes.