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2/18/2016

Topic Reading-Vol.1408-2/18/2016

Dear MEL Topic Readers,
Could just two people repopulate Earth?
Just like Adam and Eve. If there were only one male and one female, would it be possible for the species to survive? How long or how many generations would it take to diversify genes enough to ensure safe reproductions?
It seems to have been possible for tree lobsters in Australia when a pair migrated to a steep cliff and generated 9,000 offspring and their offspring in eight years. But for humans, incest is known to cause problems in their offspring in various ways such as immune system, physical or mental disabilities and also color-blindness as proved in European royal families. When genes are passed from one generation to the next, it is crucial to ensure diversity and immunity.
Enjoy reading and learning genetic aspect of incest.


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