Heredity and Evolution

Explain Gregor Mendel's contribution to the understanding of heredity with reference to his choice of the garden pea plant.

Explain how sex determination is genetically regulated in human beings.

What are analogous organs? How do they differ from homologous organs? Explain with an example.

Explain Mendel's dihybrid cross with the help of a checkerboard (Punnett square). What conclusions were drawn from this cross?

What is meant by the term 'evolution'? Explain the various evidences of evolution with suitable examples to show how living organisms have evolved over geological geological time.