* Genotypes describe genes: Genotypes refer to the combination of alleles (versions of a gene) an individual has. They are usually represented with letters, for example: Aa, BB, or tt.
* Genes are not numbers: Numbers are not used to represent genes or their variations.
Example of a Heterozygous Genotype:
Let's say you're looking at a gene that determines eye color.
* Allele 1: "B" (Brown eyes)
* Allele 2: "b" (Blue eyes)
A heterozygous genotype for eye color would be Bb. This means the individual has one allele for brown eyes and one allele for blue eyes.
Let me know if you have another question about genetics or have a specific gene you'd like to know more about!
