The genotype of the purple flower of unknown genotype is Pp. Details about genotype can be found below.
A test cross is the breeding of an individual with a phenotypically recessive individual, in order to determine the zygosity of the former by analysing proportions of offspring phenotypes.
In a test cross, if the result produces offsprings with differing phenotypes, it means that the parent with unknown genotype is heterozygous.
Therefore, the genotype of the purple flower of unknown genotype that was crossed with a white-flowered plant (ff) to produce half purple and half white offsprings is Ff.
Learn more about test cross at: https://brainly.com/question/2895163
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