BIOL2609_L19_2007

Rflp of mtdna from 56 atlantic 33 indopacific fish

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: s for blue marlin, the taxonomy of sailfish has been problematic: • Morrow & Harbo (1969) – single circumtropical species • Nakamura (1985) – two species based on morphology • RFLP of mtDNA from 56 Atlantic & 33 IndoPacific fish • Higher haplotype diversity in Atlantic fish • Accounted for by presence of two distinct groups of haplotypes, only one of which appeared in Indo-Pacific fish – These two groups were separated by 3 restriction site differences, and had nucleotide divergence of 0.65% • In contrast to blue marlin, the ubiquitous sailfish haplotypes were not found in high number among Atlantic fish • Only two haplotypes were shared between oceans, accounting for 76% of Indo-Pacifi...
View Full Document

Ask a homework question - tutors are online