Bodily fluids
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Which of the bodily fluids is the most common and the most useful?
Blood
To gain more information, we can do/analyze these 4 things to blood.
biological and chemical tests. blood stains and splatter coagulation.
What is the name of the specialist who analyzes blood?
Serologist
What can we find in the plasma?
• White blood cell (leucocytes) • Red blood cells (erythrocyte) • platelets
What can we find to identify with the red blood cells and serum?
blood type
In red blood cells, we find ____ and _____ that can tell us the blood type.
antigens antibody
Mixing blood tyes can lead to ___.
death
Blood group A: \_\_ antigens (round). \_\_\_ antibodies (spiky) strong negative reaction to type \_\_\_.
A B B
Blood group B: \_\_ antigens (spiky). \_\_\_ antibodies (round) strong negative reaction to type \_\_\_.
B A A
Blood type AB: __ antigens . ___ antibodies strong negative reaction to type ___.
A and B No none
Blood type O: __ antigens. ___ antibodies strong negative reaction to type ___.
no A and B A and B
What happens when A type blood meets Anti-A serum?
agglutination
What happens when B-type blood meets Anti-B serum?
agglutination
What happens when AB-type blood meets Anti-B serum?
agglutination
What happens when AB-type blood meets Anti-A serum?
agglutination
What happens when type-blood O meets any antiserum?
nothing
What does Rh stand for?
Rhesus factor
Rh+ has __ antigens. Does it have Rh antibodies?
Rh no
Rh+ can receive blood from?
Rh - and Rh +
Rh -: antigens? antibodies?
No Rh antigens Rh antibodies are not naturally present, they develop when they receive blood for the first time. 1st time receiving = okay, the second time? death
___% are Rh+ so ___% are Rh- ___% are O and ___% are A ___% are B ___% are AB
85 - 15 45 - 40 11 - 4
In which cases are paternity tests used?
Child support and custody, kidnapping, insurance fraud and inheritance conflicts.
In depth paternity testing requires ____. But we can use ___ for preliminary testing.
DNA analysis blood-typing
What is the genotype and the phenotype?
Genotype= in your gene (2 letters) Phetnotype= how genes affect you (1 letter)