Gislandsaresitesof manycasesofadap4veradia4ons

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? •  Byrnes and Nichols (1999) collected mosquitoes from 7 Underground sites and 11 above‐ground sites •  Sequenced DNA and conducted ma4ng tests –  DNA sequences were completely different between Underground and above‐ground popula4ons: no evidence of gene flow –  None of the cross‐ma4ngs produced offspring How does specia4on occur? •  Ac4ve area of research: there are many ecological mechanisms to disrupt gene flow •  The allopatric specia4on model is likely to explain most evolu4onary history Ad...
View Full Document

Ask a homework question - tutors are online