in a particular plant, green seed color is dominant to blue. if two plants with green seeds were crossed and resulted in 302 green and 98 blue seed plants, what was the most probable genotype of each parent?



Answer :

If two plants with green seeds were crossed and resulted in 302 green and 98 blue seed plants, then the most probable genotype of each parent will be heterozygous since 3:1 phenotypic ratio is the result we can observe for a monogenic trait in a Punnett square.

What is a Punnett square?

A Punnett square is a diagram used in genetics to estimate genotype and phenotypic frequencies after a cross, which may be monogenic or include more than a single gene.

In this case, the cross is between two heterozygous individuals for a monogenic trait that exhibits complete dominance, it is the reason for which we can see a proportion 3:1 in the phenotypic ratios in a Punnett square.

Therefore, with this data, we can see that a Punnett square can be used to determine the phenotypic ratios, which are statistically close to the observed in this example to a 3:1 ratio.

Learn more about a Punnett square here:

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