Structural and behavioural traits from both the parent,mother and father are passed to the offspring generation after generation.We will learn from this chapter how traits from both the parents are transmitted to the offspring. Moreover, we will be able to know that there exist classes are in the living world and being emerged from the ancestors through the way of evolution,organisms express their visible form of present existence..
All the organisms in the world are characterized with their own unique features.Features of individual organisms pass to the next generation and evolve in them.This natural principle is applied to all organisms in the world.This is why we notice rice plant grows from rice seed, mangoes from their seeds; jute does also this thing in the same way.This way the characteristics of species are maintained in offspring through generations.Heredity is the passing of traits from father and mother to their offspring through generations.In depth discussions and researches concerning heredity are done in the special branch of biology called genetics.
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