Question

How people find out blood group in labs and stuff??

Answer 1

Answer:

In order to determine your blood type, a lab technician will mix your blood sample with antibodies that attack types A and B blood to see how it reacts. If your blood cells clump together when mixed with antibodies against type A blood, for example, you have type B blood.

Answer 2

Answer:

ᴀ ᴘᴇʀsᴏɴ ᴄᴀɴ ɪᴅᴇɴᴛɪғʏ ᴛʜᴇɪʀ ʙʟᴏᴏᴅ ᴛʏᴘᴇ ᴀᴛ ʜᴏᴍᴇ ᴜsɪɴɢ ᴀ ʀᴀᴘɪᴅ ʙʟᴏᴏᴅ ᴛʏᴘɪɴɢ ᴋɪᴛ. ᴜsɪɴɢ ᴛʜᴇ ᴋɪᴛ ʀᴇǫᴜɪʀᴇs ᴀ ᴘᴇʀsᴏɴ ᴛᴏ ᴘʀɪᴄᴋ ᴀ ғɪɴɢᴇʀ ᴡɪᴛʜ ᴀ ɴᴇᴇᴅʟᴇ. ᴛʜᴇ ᴋɪᴛ ᴄᴏᴍᴇs ᴡɪᴛʜ ᴀ ᴄᴀʀᴅ ᴛʜᴀᴛ ᴄᴏɴᴛᴀɪɴs ᴄʜᴇᴍɪᴄᴀʟs ᴋɴᴏᴡɴ ᴀs ʀᴇᴀɢᴇɴᴛs. ᴛʜᴇsᴇ ᴛᴇsᴛ ғᴏʀ ᴛʜᴇ ᴘʀᴇsᴇɴᴄᴇ ᴏғ ᴛʜᴇ ᴀɴᴛɪʙᴏᴅɪᴇs ᴀɴᴅ ʀʜ ғᴀᴄᴛᴏʀ.