Nisha is dark-skinned. Her classfellows and friends make fun of her by

Nisha is dark-skinned. Her classfellows and friends make fun of her by calling her blacky. Ritu a close friend of hers tries to help her and tells to all the classmates that the skin colour is due to inheritance and as such ask them to stop teasing Nisha only because of her dark skin. On the basis of above statement answer the following questions : (i) What type of inheritance is involved in the skin colouration in human beings ? (ii) What values are exhibited by Ritu ?

Answer»

(i) It is a polygenic inheritance. It is a quantitative inheritance. The skin colouration is due to additive effect of dominant genes.

(ii) (a) understanding

(b) awareness

(d) Sensitivity towards her companions