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Differentiate between:

monohybrid and dihybrid cross (phenotypic ratio).















Monohybrid cross



Dihybrid cross



It is a cross between two parents different in a single pair of contrasting characters.



It is a cross between two parents different in two alternative traits of two different characters.



Example- A cross between pure tall (TT) and a dwarf (tt) pea plants.



Example- A cross between tall and purple bearing pea plant with dwarf and white bearing pea plant.




More from this chapter

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1

Differentiate between:

genotype and phenotype.

 1

Differentiate between:

character and trait.

 2

Among lion, tiger and a domestic cat, all the three have the same number of 38 chromosomes, yet they have different appearances. How do you account for such differences?

 3

List any three features of garden pea with their dominant and recessive traits.