The correct answer is alleles. Alleles are the different forms or variations of a gene. Genes are segments of DNA that carry the instructions for creating specific traits or characteristics in organisms. These traits can have different variations, and each variation is known as an allele. For example, the gene responsible for eye color in humans has alleles such as brown, blue, or green. So, when we talk about genes, we refer to the overall sequence of DNA instructions, and when we talk about alleles, we are specifically referring to the different versions or forms of a particular gene.
