Incomplete Dominance

INCOMPLETE DOMINANCE

Definition: when the dominant allele for a specific trait is not completely dominant over the recessive allele.

Only present in a heterozygous allele combination

INCOMPLETE DOMINANCE

GENOTYPE RR Rr rrPHENOTYPE Red PINK White

CoDominant vs.

Incomplete Dominant

Co-Dominant Alleles you can see both of the allele’s traits individually

Incomplete Alleles you can see a blend of both of the allele’s traits

Practice: Incomplete Dominant or Co-Dominant?

Practice: Incomplete Dominant or Co-Dominant?

CO-DOMINANT

Practice: Incomplete Dominant or Co-Dominant?

CO-DOMINANT

Practice: Incomplete Dominant or Co-Dominant?