When different alleles of the same gene are present in an individual,the individual is a

In a monohybrid cross,if you get a $3:1$ ratio,it denotes that:

Blue eye color is recessive to brown eye color. $A$ brown-eyed man whose mother was blue-eyed marries a blue-eyed woman. What will be the phenotypes of their children?

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....

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

$A$ cross between one tall plant and one dwarf plant resulted in offspring having tall plants. What would be the genotype of offsprings?