Question

each genotype must have three letters to represent the alleles given by the parents. true false

Explanation:

Genotypes can have different numbers of alleles represented by letters. They don't necessarily have three letters. For example, in a simple Mendelian - trait with two alleles (like flower color with dominant 'P' and recessive 'p'), genotypes can be PP, Pp, or pp which have 2 letters.

Answer:

False