Pure tall plants are crossed with pure dwarf plants. In the $F_1$ generation all plants were tall. These tall plants of $F_1$ generation were selfed and the ratio of tall to dwarf plants obtained was $3 : 1$. This is called
Dominance
Inheritance
Co-dominance
Heredity
Mendel's principle of segregation means that the germ cells always receive
Definitions / Explanation : Test cross
In a monohybrid cross when $F_1$ is crossed with homozygous dominant parent then which type of offsprings will obtain
Variation stands for differences in traits of progenies from
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: