Describe the differences between dominance, co-dominance, and incomplete dominance.

1. Dominance (complete dominance) would be a case in which 1 allele is always dominant over the other(s).

Example: we could see this clearly when breeding to homozygous dominant organisms (offspring are always dominant).

2. Co-dominance would be a case in which a combination of alleles is always dominant over the other combination(s).

Example: we could see this when breeding to dalmatian dogs, where both black and white colours are dominant.

3. Incomplete dominance would be a case in which it is not a fully dominant allele but it is still more dominant than the other allele(s).

Example: we could see this when breeding a red (dominant) and white (recessive) rose. The outcome will be pink, because red isn't dominant enough to make the outcome red.

Hope it helped,

BiologiaMagister

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