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:
Bullet square
Punch square
Punnett square
Net square
In wheat, when a green plant was self-fertilized, the progeny had $209$ green seedlings and $14$ white seedings. The above result indicates that
If at a tall plant is crossed with a dwarf plant and obtained progeny is half tall and half dwarf plants. Then the genotype of progeny will be
A pair of contrasting characters is termed as
Organism of pure line is that which produce individuals of
What is artificial selection ? Do you think it affects the process of natural selection ? How ?