Assertion: x chromosome | /r/HasAspect | more than 300 genes
Facets:
Source sentences:
text: The Y chromosomes contain only a few genes, while X chromosome has more than 300 genes.
text: The number of genes carried by autosomes varies from 200 to 2000, but in case of sex chromosomes, the Y chromosomes contain only a few genes, while X chromosome has more than 300 genes.