Homoplasmy is a term used in genetics to describe a mammalian cell whose copies of mtDNA are all identical. Homoplasmic mtDNA copies may be normal or mutated. Most mutations are heteroplasmic - only occurring in some copies of mtDNA - but it has been discovered that homoplastic mtDNA mutations may be found in human tumours. The term may also refer...
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http://en.wikipedia.org/wiki/Homoplasmy
• (n.) Resemblance between different plants or animals, in external shape, in general habit, or in organs, which is not due to descent from a common ancestor, but to similar surrounding circumstances.
Found on
http://thinkexist.com/dictionary/meaning/homoplasmy/
Ho'mo·plas`my noun [
Homo- + Greek ... anything formed, from ... to form, mold.]
(Biol.) Resemblance between different plants or animals, in external shape, in general habit, or in organs, which is not due to descent from a common ancestor, but to similar surrounding circumstances.
Found on
http://www.encyclo.co.uk/webster/H/57
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