Heredity and Evolution- Introduction (Heredity)


What is The nature of resemblance in sexual and asexual reproduction?

  • Every offspring of a particular species will resemble the parents in its basic body structure like the eyes, nose, hands and feet, and other basic body

For example, the child of two humans is also a human and the baby of two birds is also a bird.

  • The external characteristics enable us to identify the child as the offspring of the two individuals. The child shares a few distinct characteristics with that of the mother while a few of the father. The distinct characteristics are caused because of sexual reproduction between the

Sexual reproduction in Humans

                      Sexual reproduction in Humans

  • In asexual reproduction, the offspring looks exactly like the

For example, a baby hydra looks exactly like the parent hydra.

  • Some glitches in the biochemical processes can lead to slight changes in the baby organism.

Sexual reproduction in Humans

                  Asexual reproduction in Hydra

What are Traits?

  • Traits are the characteristics which are passed from one generation to the
  • The body design remains the same, but different organisms may inherit specific traits from the
  • Characteristics of organisms differ from one human to So, humans look different although the body design is the same.
  • The transfer of the basic body design and specific traits that make us unique individuals is called heredity.