ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Frequencies of mutations between reconstructed ancestor and descendant sequences of codons for metazoan globin chains show that natural selection guided protein evolution. Mutations which improved haemoglobin function were accepted at an accelerated rate in the first vertebrates. Rates decelerated ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/253603a0