Assertion: gene's mutation | /r/CapableOf | create new alleles
Facets:
value: for white hair
type: PURPOSE
Source sentences:
text: Mutations are random changes in genes and can create new alleles.
text: Mutations can also produce new traits, such as when mutations to an allele for black hair produce a new allele for white hair.
text: Mutations create new alleles.
text: The combination of mutations creating new alleles at random, and natural selection picking out those that are useful, causes an adaptation.