Questions

Which amongst the following leads to variations in the sequence of DNA of chromosomes?
a. Recombination
b. Mutations
c. Micropropagation
d. Prophase of mitosis

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detailed solution

Correct option is A

Recombination and mutations can lead to variation. Micropropagation leads to the formation of clones and hence does not lead to variations. Mitosis also does not lead to variations.

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Similar Questions

Match Column I with Column II

	Column I		Column II
a.	Missense mutation	i.	Changes a sense codon into a synonymous codon, leaving unchanged the amino acid sequence of the protein
b.	Nonsense mutation	ii.	Changes a sense codon into a different sense codon, resulting in the incorporation of a different amino acid in the protein
c.	Silent mutation	iii.	Changes a mutant phenotype back to the wild-type phenotype
d.	Reverse mutation	iv.	Changes a sense codon into a nonsense codon, causing premature termination of translation