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Forensics chapter 8

Question	Answer
Presence of absence of how many antigens determine a persons blood type	Three
An individual who have type O blood has what kind of anti-bodies	Both A & B
What percentage has type B blood?	15%
Where are antibodies found?	Blood serum
A precipitin test can identify what?	All blood
If blood has A and B antigens what type of blood is it?	AB
If blood has neither A or B antigens what type of blood is it?	O
If your mom is Ab and your dad is AB can your child have O	No
If your parent is AB and the other is o what kind of blood can the child have?	either A or B
When an animal is injected with an antigen the animal will respond by producing what	Polyclonal
The presence of what proves that the stain is seminal in nature	P30
A stain attentively cna be identified as blood by using what kind of test	all of the above
The castle Meyer test is used to determine if the blood is of human origin T/F?	False
Spermatozoa can be found in the vagina of a living female after 3 days? T/F?	False
When a pair of allelic genes are identical the genes are said to be	Homozygous
The combo fo genes present in cells is what	Genotype
The sec of an offspring is determined by your mother or father?	father
Genes that influence a given characteristic that is aligned with one another on a chromoson pair is what	Alleles
The fluid portion of the un-clotted blood is what	Plasma
The D antigen is also known as the what	Rh
Type A individuals have what type of antigen on the surgace of the red blood cells?	A
Serum contians proteins that destroy other antigens are known as what?	Antibodies
If you were to addd A and B serum on the blood and agglutination occurs on B the blood type is what?	B
The basic unit of heredity is what?	Gene
Genes are positioned on thread like bodies called what	Chromosomes
Antibodies designed to interact with a specific antigen sight are what?	Monoclonal
This reagent reacts with blood to cause it to luminous	Luminol
The distribution of AB blood in the US is approximately what percent?	3%
The distribution of type A blood is what percentage	42%
All human cells have how many pairs of chromosomes	23
What transprots oxygen formt he lungs to the body tissues and take the carbon dioxide back to the lungs	red blood cells
This term describes the study of antigen antibody reactions	serology
for many years the most commonly used color test was what?	Benzidine
if you cross the O parent with the B parent what would you get	B
If YOU CROSS AN Rh- parent with the Rh+ Parent what would you get	positive
Semen is identified by the presence of spermatozoa T/F?	true
The enzyme P30 can be detected in the vaginal cavity 24 hours after intercourse T/F?	true

Created by: briannamckathan

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