A cross in which an organism showing a dominant phenotype is crossed with the recessive parent in order to know its genotype is called
monohybrid cross
back cross
test cross
dihybrid cross.
For obtaining hybrid ratio which characters of the plant are taken into account
Definitions / Explanation : Heterozygous
Alleles are
The first law of Mendel
If dwarf pea plant was treated with Gibberellic acid, it grew as tall as the pure tall pea plant. If this treated plant is crossed with a pure tall plant then the phenotypic ratio of is likely to be