Self-pollination between $Tt$ and $Tt$ plants results in a genotype ratio of:

In hybridization,$Tt \times tt$ gives rise to progeny in the ratio of:

The proportion of plants that were dwarf and tall,respectively,in the $F_2$-generation of Mendel's experiment was?

$A$ black dog heterozygous for the colour is crossed with a white bitch,which is recessive homozygous. The progeny will show black to white offspring in the ratio of:

If $3^n$ is the theoretical number of different genotypes (where $n$ is the number of heterozygous gene pairs),then the number of different genotypes produced by a pea plant with the genotype $AaBbCcDdEeFfGg$ is:

$A$ man homozygous for brown eye colour marries a lady heterozygous for brown eye colour. Brown eye colour is dominant over blue. What will be the phenotype of their children?