GENOTYPE = It the letters that represent the traits or phenotype.
>> Dominant - A trait that is commonly observed in a population (R)
>> Recessive - A trait that is uncommon (r)
>> Heterozygous = Genotype with one big letter and one small letter (Rr)
>> Homozygous = Genotype with either both small letters (rr) and both big letters (RR)