Ernie\'s Edit Name Blood Typing Lab Activity A small pool of blood and a weapo A

Question

Ernie's Edit Name Blood Typing Lab Activity A small pool of blood and a weapo After examining the area, the CSI garbage dumpster and identified him as Eamest "One-Eyed" Earl. Ear a wound to his chest that will be analyzed by the medical examiner The CSI tested blood samples from the blood pool and the weapon at the crime scene. It was determined that it was human blood, but he needs to know the blood type to help identify if it was from the victim or the persorn who murdered him. He has identified three suspects that either knew the victim or were seen in the area before the body was discovered. He would like to question them further while he waits for DNA test results. n was found near a garbage dumpster. on the scene discovered a body in the Complete the chart using the class notes. Clumping = + (Positive) No Clumping(Negative) Reactions Reactions w | Anti-A Serunn | Anti-B Serum, | AB Rh Serum = Clumping-Rh+ blood Lab Results - Follow your teacher's directions to complete the lab. Remember to be careful to contamination of the blood samples! Record the results +or -) from each group in the trays A + Rh Rh Suspect #3 Barbie "Doll'" Jones Suspect #1 : Bobby "Baby" Brooks Blood Type: At Suspect #2 "Slim" Jim Snoot Blood Type: t- Blood Type:AB Rh Rh Weapon Sample Crime Scene Sample Victim Ernest "One-Eyed' Earl Blood Type: Y Blood Type:-- Blood Type: What do your results show? What should investigators do next?

Explanation / Answer

The victim blood type was B negative.

the blood in weapon was A positive

And Suspect 1 Bobby brooks blood type was A positive.

So the blood on the weapon matches with Suspect 1. So its Bobby brooks blood was present on the weapon.

While they wait for DNA results, They can interrogate the suspect 1 for any paternity disputes based on blood grouping.

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