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Principles Of Inheritance And Variation

Question
CBSEENBI12000239

Define mutation. Illustrate the types of mutation that can arise by change in chromosome structure.

Solution
Mutation is the phenomenon by which the DNA sequence is altered or modified. It affects the genotype or phenotype of the organism and variation in DNA.

Types of mutation  that arise due to change in structure of chromosome are.

1. Deletion-  loss of a segment

2. Duplication. duplication of an segment which results in addition or gain of a segment

3. Insertion - addition of a segment.