An excerpt from the article “Darwin view of evolution” is given be

1.	An excerpt from the article “Darwin view of evolution” is given below.Variations often occur in organisms. New species arise when these variations are subjected to natural selection. But Darwin could not explain the reason for these variations.a) Explain the reason for variations on the basis of Genetics. b) How was Darwinism revised later?
Answer» a) Mutations taking place in gene, chromosome; This brings about variations, b) Darwinism was revised as Neodarwinism in the light of new information form the branches of genetics, cytology, geology, and paleontology.

An excerpt from the article “Darwin view of evolution” is given below.Variations often occur in organisms. New species arise when these variations are subjected to natural selection. But Darwin could not explain the reason for these variations.a) Explain the reason for variations on the basis of Genetics. b) How was Darwinism revised later?

Answer»

a) Mutations taking place in gene, chromosome; This brings about variations,

b) Darwinism was revised as Neodarwinism in the light of new information form the branches of genetics, cytology, geology, and paleontology.

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