Thursday, February 19, 2009

do you know what are jumping genes

do you know what are jumping genes
jumping genes are the transferable genetic elements.they are called
transposons.hence their method of gene transfer is called as
transposition ithey are structurally and genetically discrete elements
that exihichu CUT AND PASTE method of movement between chromosomal and
the extra chromosomal DNa they have one or two genes at the centre and
at the ends invert repeat sequences of nucleotides.
transposition is themethod of amplifying genetic transfer in nature and seen in microbes
plants and animals.it features genetic transfer between two elements
which have no genetic homology as well.so it is employed in genetic
engineering
unlike plasmids the transposons are non self replicating and depend on
chromosomal and plasmid DNa to do s

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