In a few words, describe the differences in a recessive phenotype and a dominant genotype.

A dominant allele is always expressed or seen.A recessive allele is only expressed when in a genotype pair.

Explanation:

Recessive phenotype is that type of phenotype that is expressed by an organism only  when both the alleles of a genotype are recessive. Dominant genotype is that type genotype were either one of the alleles or both the alleles are dominant.

Explanation:

answer

crater lake was formed when mount mazama produced a large eruption and collapsed to form a caldera, which then filled with water forming a lake.