The genotypic and phenotypic ratio of the offspring is 1:1 when a plant with heterozygous purple axial flowers is pollinated by a plant with white terminal flowers.
Let the gametes for the Heterozygous Purple Flower be (Pp), P, and p.
Let the gametes be Recessive White Flower: pp.
Fusion produces Pp (purple) and pp as a result (white).
There is a 1:1 phenotypic ratio.
It is therefore 50% purple and 50% white.
The children produced when a heterozygous purple flower (Pp) and a recessive white flower (pp) are crossed have the genotypes (Pp), (Pp), (pp), and (pp). Consequently, 50% of the offspring have purple flowers (Pp), while 50% have white flowers (pp).
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