Assertion: gene | /r/AtLocation | two copies
Facets:
value: in sexually-reproducing species
type: OTHER
Source sentences:
text: Each cell has two of each chromosome, and almost all genes are present in two copies as predicted by Mendel.
text: In sexually-reproducing species, most genes are present in two copies (which can be the same or different alleles), either one of which has a 50% chance of passing to a descendant.