Duplication Notes: Definitions & Explanations PDF | Download eBooks
Study Duplication lecture notes PDF with biology definitions and explanation to study What is Duplication?. Study duplication explanation with biology terms to review biology course for online degree programs.
Duplication Definition:
When the "deleted" fragment attaches as an extra segment to a sister chromatid, it produces a duplication.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Duplication Notes:
Gene duplication (or chromosomal duplication or gene amplification) is a major mechanism through which new genetic material is generated during molecular evolution. It can be defined as any duplication of a region of DNA that contains a gene. Gene duplications are an essential source of genetic novelty that can lead to evolutionary innovation. If one copy of a gene experiences a mutation that affects its original function, the second copy can serve as a 'spare part' and continue to function correctly.
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