Segmental changes of chromosome having an evolutionary significance, is of which of the following?(a) Deletion(b) Translocation(c) Inversion(d) AdditionThe question was asked by my school teacher while I was bunking the class.I'd like to ask this question from Inheritance and Variation Principles topic in chapter Principles of Inheritance and Variation of Biology – Class 12

Segmental changes of chromosome having an evolutionary significance, i

1.	Segmental changes of chromosome having an evolutionary significance, is of which of the following?(a) Deletion(b) Translocation(c) Inversion(d) AdditionThe question was asked by my school teacher while I was bunking the class.I'd like to ask this question from Inheritance and Variation Principles topic in chapter Principles of Inheritance and Variation of Biology – Class 12
Answer» Right option is (b) Translocation Easy explanation: An important class of translocation having evolutionary significance is known as SEGMENTAL changes or RECIPROCAL translocation. It involves the mutual exchange of chromosome segments between TWO non-homologous CHROMOSOMES.

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