Question

what is the genotype of an individual? a) their chromosomes b) their genes c) their observable characteristics d) a hereditary disease

Explanation:

The genotype of an individual refers to the genetic makeup, which is composed of their genes. Chromosomes are structures that carry genes. Observable characteristics are the phenotype. A hereditary disease is a condition caused by genetic mutations but is not the definition of genotype.

Answer:

B. Their genes