The genetic make-up of an organism is described as? by Sunday | Sep 6 | Biology JAMB | 0 comments A. Allele B. Chromosome C. Phenotype D. Genotype Correct Answer: Option D – Genotype Users Also Read These:The crossing of individuals of the same species with…The genetic make-up of an organism is described as its?What does the chemical composition of the genetic…Genetic characteristics are passed from the parents…The genetic composition of an organism is termed?