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 diagram above shows the dentition of an…The change in the genetic makeup of an organism…The activity of an organism which affects the…The physical space occupied by an organism together…The genetic composition of an organism is termed?