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What role do pedigrees play in the preservation of the Galapagos giant tortoise?

About the author: Angie Bradley wrote this post as part of Dr. Stacy Krueger-Hadfield‘s Principles of Scientific Investigation course. Angie is a student in the Accelerated Bachelor’s/Master’s of Biology Program at UAB. In her time at university, Angie has become passionate about genetics, aging, and molecular biology. She hopes to one day attend dental school and […]

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Is European bison really back?

Humans constantly interact with their environment. They modify habitats, transfer species from one place to another, domesticate some species while contributing to the extinction of others. To reverse the process of extinction, we’ve been reintroducing taxa since the 1800s. Reintroduction refers to the action of establishing self-sustaining and healthy populations of extinct or critically endangered […]

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Reproductive Isolation and the ‘Hockey Assist’ – How a shift to self-compatible mating systems can bring about reproductive isolation

The first steps in the process of speciation are a bit paradoxical when you think about it…how does one freely interbreeding species make the transition to two reproductively isolated, independent species? More specifically, how do intraspecific mating barriers become interspecific? And why even are there intraspecific mating barriers? Well, that last question is easier to […]

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