Question

The P plants (the parental generation) that Mendel used in his experiments were all homozygous for
the trait he was observing. Which genotype(s) could correctly represent the alleles of the P plants?

Answer 1

PP and pp. these are both homozygous Bc they have the same letter for both allele.

Answer 2

The genotype of the parent generation is either pp or PP.

Genes often occur in pairs. The pair of genes are called alleles. The pair of genes in an allele determine the expressed traits of an organism. The sum total of genes that an organism contains is called its genotype. The expressed characters of the organism is called its phenotype.

A organism  may have  exactly the same genes in a pair of alleles that control a particular trait. If the dominant gene is P and the recessive gene is p, a such organism will have a genotype pp or PP.

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