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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