![]() Phew, you might say-your bedroom might resemble a pigsty but at least you’re not related. Many of these shared physical traits are not the result of a close ancestry, but rather of convergent evolution-that is, selection of the same characteristics by a common environment. So do these similarities mean that humans are closely related to pigs? Not necessarily. ![]() This means that if something works in a pig, it has a higher possibility of working in a human. For this reason, pigs have been used in medical research for over 30 years, and are what’s known as a translational research model. These include various anatomic and physiologic traits, such as organ placement (and often size and function), skin similarities and some disease progression.Ī pig weighing around 60 kilograms will, for example, resemble a human body in many ways, including fat distribution, cover of hair and ability to attract insects. ![]() ‘You’re a pig!’ It might be a common insult but, interestingly, there are a number of similarities between humans and pigs.
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