Describe the Life history of Petromyzon.
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After some examination, by the use of starch gel electrophoresis at 23 loci in the 21 populations of the petromyzon or sea lamprey, some genetic differentiation are found.
According to the analysis of the genetic distance and the clustering method there are three types of genetically different lamprey found in the North America.
They are
- In the lake Champlain, anadromous population are found.
- In the Lake Erie and the Upper Great Lake, population are found and the last population is the type of the populations found in the Lake Ontario and three interior New York Lakes.
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