Heterozygous tall and violet flowered pea plants were selfed and total $512$ seeds are collected. What will be the total number of seeds that are heterozygous for both traits?

$A$ pure breeding pea plant with round yellow seeds was crossed with a pea plant having wrinkled green seeds. On selfing of the $F_1$ hybrid of this cross,$64$ progenies were obtained in the $F_2$ generation. Find out the number of $F_2$ progenies showing non-parental characters.

When a cross is made between $Ttrr$ and $Rrtt$, the phenotypic ratio of their progeny will be:

In Mendel's dihybrid cross experiment,what is the phenotypic ratio of the progeny obtained from a test cross of the $F_1$ generation?

The ratio $1:1:1:1$ is observed in:

In a dihybrid Mendelian cross,how many types of genotype and phenotype will be obtained $:-$