What is used to represent the genes of an organism

Answer

Genotype

Explanation

The genetic makeup of an organism is called the genotype and it represents the organisms complete set of genes. The genotype of a particular gene is represented by a pair of allele. In humans, due to the diploid trait, they have two alleles at each genetic position where each parent contributes a single allele.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

did you fail the test? xd