Question

Distinguish between monohybrid and dihybrid cross. 

Answer 1

Monohybrid cross	Dihybrid cross
The cross in which only one pair of contrasting characters is involved is known as a monohybrid cross.	The cross in which only two pairs of contrasting characters are involved is known as a dihybrid cross.
A monohybrid cross is useful in determining the dominance of genes.	A dihybrid cross is useful in studying the assortment of the offspring.
example: a cross between a tall and dwarf plant.	example: a cross between a tall plant having a red flower and a dwarf plant having a white flower.