Transposable elements Notes: Definitions & Explanations PDF | Download eBooks
Study Transposable elements lecture notes PDF with biology definitions and explanation to study What are Transposable elements?. Study transposable elements explanation with biology terms to review biology course for online degree programs.
Transposable elements Definition:
Stretches of DNA that can move from one location to another within the genome are called transposable elements.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Transposable elements Notes:
Transposable elements are also known as "jumping genes" or transposons, are sequences of DNA that move (or jump) from one location in the genome to another. Maize geneticist Barbara McClintock discovered TEs in the 1940s, and for decades thereafter, most scientists dismissed transposons as useless or "junk" DNA. However these elements are not junk and they sometimes creating or reversing mutations and altering the cell's genetic identity and genome size. Transposition often results in duplication of the same genetic material.
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