Dramatic decline in genetic diversity of Northwest salmon charted

Columbia River Chinook salmon have lost as much as two-thirds of their genetic diversity, Washington State University researchers have found. The researchers reached this conclusion after extracting DNA from scores of bone samples — some harvested as many as 7,000 years ago — and comparing them to the DNA of Chinook currently swimming in the […]

Science Blog http://ift.tt/2AThUes




http://ift.tt/2D5QYgz
Visit our website to read more

Kommentit

Tämän blogin suosituimmat tekstit

ලොව​ බිහි වූ ඉතාමත් විශිෂ්ට විද්‍යාඥයන් දස දෙනෙක්

The FDA Fights Back Against Homeopathy

Modern human brain organization emerged only recently