Question

an organism’s phenotype is the physical makeup of the organism or what the organism looks like. a genotype is the combination of letters that describe the genetic makeup of a trait. which is an example of a genotype? bb blue eyes

Explanation:

A genotype is the genetic makeup (represented by letter combinations) of a trait, while a phenotype is the physical appearance. "Bb" is a letter combination for genetic makeup, and "blue eyes" is a physical trait (phenotype). So "Bb" is a genotype.

Answer:

Bb