The Punnett Squares are the diagrammatic representations of the phenotype and genotype of the offspring.
How are Punnett Square used to demonstrate the cross between parental genotype?
- Let us take the heterozygous yellow seeds, having genotype Yy. The cross of yellow heterozygous is done with purebred green seeds.
- The genotype of the purebred green seeds is yy, and the attachment below shows the cross between heterozygous and purebred parents.
- The offspring ratio for the heterozygous yellow and purebred green seeds will be 50% heterozygous yellow and 50% purebred green.
Thus, the ratio of the offspring for the yellow and green seeds will be 1:1.
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