Kelly the Scientist

#FORENSICFRIDAY : HUMAN DNA CHIMERISM - ✌🏽 sets of DNA, 👆🏽person 😱 Fact or fiction?? Totally fact!! There are several ways an individual may become a human chimera: 🧬 Microchimerism- During pregnancy, the cells from a fetus can migrate into the mother's blood and vice versa. (There was a study that showed a mother had some cells with Y chromosomes from her twin boys 😱.) 🧬 Transplant patients (especially bone marrow transplant patients-the stem cells from bone marrow ca

#ForensicFriday: The more technical name for a 'body farm' varies: forensic anthropology center, applied forensic science research facility, etc. but what you'll find there remains consistent...dead bodies in varying states of decomposition. Two important questions forensic scientists are often tasked with figuring out at the scene of crime where a body is involved is: "What happened to this body?" and "How long has it been there?" (aka postmortem interval). There are many f

#FORENSICFRIDAY: Both marijuana and hemp come from the same plant species (Cannabis Sativa), however they have several differences that make them distinct, both genetically and chemically. Marijuana is cultivated for use as a psychotropic drug. It generally has high levels of tetrahydrocannbinol (THC), which is the psychoactive component. Hemp on the other hand is cultivated for use in products such as foods, personal care, nutritional supplements, etc. and has much lower lev