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Keya Chaudhuri keya at cal2.vsnl.net.in
Sun Feb 11 12:43:53 EST 2001


Dear colleague,
Derivation of molecular phylogeny relies largely on multiple alignment
of orthologous gene sequences. It is assumed that mutation and/or
deletion or insertion play a key role in evolution. I would like to ask:

1) How far the periodicity in DNA sequences could be conceptually
correlated to mutation?
2) Is there any evidence for the alteration of periodicity during
evolution?
Thanking you
Keya Chaudhuri





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