If a heterozygous tall plant is crossed with a homozygous dwarf plant,what will be the percentage of dwarfness in the progeny (in $\%$)?

In a cross,$75$ tall plants and $25$ dwarf plants are obtained. What would be the genotype of the parents?

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

As a result of the marriage between a curly-haired mother and a straight-haired father,$8$ children are born. What is the expected ratio of curly-haired to straight-haired children?

$A$ heterozygous tall plant is crossed with a dwarf plant. The proportion of dwarf plants in the offspring will be: (in $\%$)

In a cross between plants with red and white flowers,the ratio of red to white flowered plants in the $F_2$ generation was $60:20$. If a heterozygous red-flowered plant is self-pollinated,what will be the ratio of the progeny?