Question

how codominant inheritance patterns differ from dominant/recessive inheritance patterns

Answer 1

its simple dominant and recessive inheritance patterns and organism would need two recessive alleles(rr) for the trait to be expressed but only one dominant allele for that trait to be expressed (RR or Rr) however in the case of co-dominant alleles the heterozygous state (Rr) would produce a third phenotype rather that the dominant phenotype.

Answer 2

Answer:

Explanation:

There must be at least one dominant allele such as (HH or Hh) in order for a dominant recessive in heritage to occur, or there can be no dominant like (hh) for a recessive to display itself. No dominant or recessive show for a co-dominant, but both, for instance. A chicken has a red feathered parent and a white feathered parent that produces an offspring with both red and white feathers this is because of co-dominant alleles instead of just one characteristic of a parent, the offspring has two characteristics because a third allele is created  giving the offspring a mix of red and white feathers.

I hope this was helpful sorry if it's a bit hard to understand.