What does the notation Rr mean to geneticists? heterozygous alleles homozygous alleles dominant alleles recessive alleles

Option A

Explanation:

The heterozygous allele can be defined as the condition in which the organism has two different alleles of the gene.

It is represented as Rr, means a capital letter and a small letter. This hows that the organism has one dominant gene and one recessive gene in it.

This dominant and recessive condition decides the genotype and phenotype of organism.

A) heterozygous alleles

Explanation:

I just did this on edgenuity 2020

i am going to guess that it is co2.