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TheCrafter1205 t1_jckt6ml wrote

The first time forensics was used in a court, a farmer was accused of killing someone, and claimed that the blood on his clothing was pig’s blood. Someone took a sample of the blood, and looked at it under a microscope. Mature human red blood cells do not contain a nucleus, while pig red blood cells do. When he looked under the microscope, there were no nuclei, and this was used to help win the case.

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Impressive_Yam_7717 t1_jcl8y6i wrote

I feel like this might be inaccurate as pigs are mammals and all mammal RBCs do not contain a nucleus when mature. Maybe it was a chicken as avian RBCs do contain a nucleus. Also, interesting fact camlids (camels, llamas, alpacas, etc) have oval red blood cells.

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TomCollator t1_jclrt75 wrote

This link suggests a different story.

https://crimereads.com/forensics-on-trial-americas-first-blood-test-expert/

However, young pigs can have a few nucleated blood cells up to age 8 months. As pig are frequently slaughtered around 4-7 months, they can have some nucleated red blood cells.

https://vetclinpathimages.com/2018/03/27/normal-porcine-erythrocytes/#:~:text=Young%20pigs%20(%3C%208%20months%20of,%2C%20and%20Howell%2DJolly%20bodies.

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