Question

Why does each genotype have two letters?

Answer 1

Genotype

1. An organism's genotype is made up of all of its genetic components.
2. The alleles or variations that an individual carries in a specific gene or genetic region are also referred to as the genotype.
3. A genotype's two letters stand in for the two alleles.
4. The dominant allele is represented by an uppercase letter, and the recessive allele is represented by a lowercase letter.
5. Heterozygous and homozygous genotypes are the two primary subtypes.
6. An organism inherits two distinct gene variants if they have a heterozygous genotype.
7. When an organism inherits two identical copies of a gene, it is said to be homozygous for that gene.