Allele ​
Tags
Cegep1
Biology
Word count
99 words
Reading time
1 minute
One of two or more genes that may occur at a locus
[!abstract]+ Homozygous / heterozygous
(Of a genotype or pairing of alleles)
Homozygous: having identical alleles for a given trait
Heterozygous: having different alleles for a given trait
Dominance / recessiveness ​
(In a heterozygous pairing)
Dominance: Greater influence of an allele over the other
Recessiveness: Lesser influence of an allele over the other
An allele is completely / partially dominant if it completely / partially masks the expression of its allele.
In some cases there may be multiple codominant alleles.
Ajitani Hifumi