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 type of nutrition exhibited when organism lives…The diagram above shows the dentition of an…An organism that habours another organism is referred to as?The activity of an organism which affects the…The change in the genetic makeup of an organism…