How many types of gametes are produced by a plant with the genotype $Rryy$?

When a homozygous red-flowered pea plant is crossed with a white-flowered plant, what color will be produced in the $F_1$ generation?

Which of the following is the genotypic ratio of Mendel's monohybrid cross?

In a monohybrid cross experiment,the genotypic ratio of the progeny in the $F_2$ generation is ....

$A$ test cross of an unknown yellow seed with a green seed produces $50\%$ green seeds and $50\%$ yellow seeds. What is the genotype of the unknown yellow seed?

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?