Question
Biology Question on evolution
Darwin's theory of pangenesis shows similarity with theory of inheritance of acquired characters then what shall be correct according to it
useful organs becomes strong and developed while useless organs become extinct
size of organs increase with aging
development of organs is due to will power
there should be some physical basis of inheritance.
there should be some physical basis of inheritance.
Solution
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.