In Mendel's monohybrid cross experiment,what was the percentage of heterozygous genotypes in the $F_2$ generation?

From a single cob of maize,a farmer planted $200$ seeds which produced $140$ tall and $40$ dwarf plants. The genotype of the parent is primarily....

The genotypic ratio of a monohybrid cross will be

Based on which experiment was the Law of Purity of Gametes given by Mendel?

In garden pea,round shape of seeds is dominant over wrinkled shape. $A$ pea plant heterozygous for round shape of seed is selfed and $1600$ seeds produced during the cross are subsequently germinated. How many seedlings would have the parental phenotype?

What will be the nature of a hybrid plant produced from two alternative alleles?