The genotypes of the parents that need to have to produce offspring with only the genotype Ff are FF and ff.
What is a Punnett square?
A Punnett square is a diagram used in genetics to estimate genotypic and phenotypic frequencies in offspring.
In this case, only genetic crosses between homozygous genotypes are expected to produce 100% heterozygous offspring.
In conclusion, the genotypes of the parents are FF and ff.
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