Assertion: genotype's allele | /r/HasProperty | a gene variant
Facets:
value: for a trait
type: PURPOSE
value: for a particular trait
type: CAUSE
Source sentences:
text: A null allele is a gene variant that lacks the gene's normal function because it either is not expressed, or the expressed protein is inactive.
text: As pointed out earlier, alleles are the genetic variants for a particular trait.
text: The genotype shows you, by way of letters that are upper or lower case, what alleles (versions of a gene) an organism possesses.
text: An allele is a variation of a gene for a trait.
text: Alleles are various versions of genes.