Who do you work for? <a href=" https://www.gobsamsam.nl/doxycycline-50-mg-for-rosacea.pdf#sergeant ">vibramycin doxycycline</a> Previous estimates of the date of the last common Y ancestor varied from about 50,000 years ago to 340,000 years ago, a broad range. Previous estimates of when the last common mitochondrial ancestor live were more precise, ranging from 150,000 to 240,000 years ago.