Give Scientific Reasons

In sexual mode of reproduction grater diversities are generated.

Phenotypic and genotypic ratios are different

In human beings the gametes from the male parent decides the sex of the baby.

Paleontological evidence suggest that invertebrates came into existence before the vertebrates.

Vermiform appendix of man has become a vestigial organ.

Answer the following in detail.

With the help of a diagram (Punnett square) show a Mendelian experiment where tall tea plant bearing red flower is crossed with a short pea plant bearing white flowers. Write both the phenotypic and genotypic ratio for F2 generation.