Question

Darwin's theory of pangenesis shows similarity with theory of inheritance of acquired characters then what shall be correct according to it

• A. useful organs becomes strong and developed while useless organs become extinct
• B. size of organs increase with aging
• C. development of organs is due to will power
• D. there should be some physical basis of inheritance.

Answer 1

Answer: (D)

According to theory of pangenesis Darwin thought that every somatic cell of the body produces a tiny particle called gemmule or pangene which contains both the parental and acquired characters. All gemmules or pangenes of the body cells collect in the gametes and are passed on to the zygote where they guide the I growth of different parts of the embryo.