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Misuse of "homology" or how can you be half-pregnant ?

Andrew Martin amartin at stagleys.demon.co.uk
Wed Nov 21 05:57:28 EST 2001

Robert Herzog <rherzog at dbm.ulb.ac.be> wrote:

> In the world of bioinformatics, let us reserve the term "homology" to 
> situations where two bio-objects (be it sequences, genes or whatever) 
> can be claimed to be derived from some common ancestor, or at least can 
> be inferred to have the same function in their corresponding organisms.

Absolutely right. Two things are either homologous or not. Just as you
cannot be 50% pregnant, you cannot be 50% homologous....


Dr. Andrew C.R. Martin       (Working at home)
Lecturer in Bioinformatics
University of Reading        http://www.bioinf.org.uk

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