Mendel crossed a pure white-flowered recessive pea plant with a dominant pure red-flowered plant. The first generation of hybrids from the cross should show

When an individual is having both the alleles of a contrasting character, it is said to be

A test cross is carried out to

The production of gametes by the parents, formation of zygotes, the $\mathrm{F}_{1}$ and $\mathrm{F}_{2}$ plants, can be understood from a diagram called:

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