1.

a) What is meant by the term speciation. List four factors which could lead to speciation. b) Name the two laws of inheritance postulated by Mendel.

Answer»

SOLUTION :a) SPECIATION is the evolution of reproduction isolation among once interbreeding population factors which can lead to speciation are:
* Genetic drift : over generations, genetic drift may accumulate which lead to speciation
*Natural selection : Natural selection which may give RISE to speciation.
*Severe DNA change
*A variation may occur which does not allow sexual act between two groups.
*b) i) The law of regeneration
ii) The law of INDEPENDENCE assortment.


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