Image from Anders Sandberg

In terragen biology an ordered sequence of nucleotides located in a particular locus on a particular chromosome that encodes a specific instructions for the cell, generally biochemical material, either RNA or protein. It includes regions involved in regulation of expression and regions that code for a specific functional product.

In xenobiology genes can take many forms, but in organic carbon-based biospheres nucleic acids of various kinds DNA, RNA, TNA, PNA and so on generally predominate.
Related Articles
Appears in Topics
Development Notes
Text by M. Alan Kazlev
Initially published on 31 October 2001.