Serology Review

Multiple Choice

What role does blood play in connecting a suspect to a crime scene?

• It can identify the weapon used

• It can show the time of the crime

• It can connect a suspect to the crime

• It can determine the motive

Multiple Choice

Explain how toxicology, serology, and DNA are connected and their importance in forensic investigations.

• They are unrelated fields

• They all deal with physical evidence

• They are all methods of analyzing biological samples

• They are all used to determine the cause of death

Multiple Choice

What blood spatter pattern is seen in the picture?

• wipe

• cast off

• transfer

• arterial spurt

Multiple Choice

A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?

• 0%
• 25%
• 50%
• 75%

Fill in the Blanks

Multiple Choice

Why are your chromosomes arranged in pairs?

• Because you only get chromosomes from your mother.

• Because you get one from your mother, and one from your father

• Because you only get chromosomes from your father.

Multiple Choice

The diagram represents several steps in the reproduction and growth of houseflies. Each circle in the diagram represents a cell. Which labeled step represents the formation of a zygote?

• Step 1

• Step 2

• Step 3

• Step 4

Multiple Choice

The sex of an offspring is determined by ______________________.

• the mother
• the father
• the mother and the father
• by the environment

Open Ended

How does independent assortment cause genetic variation?

Multiple Choice

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?

• Tall = T
  Short = S
• Tall = T
  Short = t
• Tall = t
  Short = T
• Tall = TT
  Short = tt

Multiple Choice

What is the difference between homozygous and heterozygous zygosity?

• Homozygous has two different alleles

• Heterozygous has two similar alleles

• Homozygous has two similar alleles

• Heterozygous has one allele

Fill in the Blanks

Multiple Choice

What are the blood phenotypes and their corresponding genotypes?

• Type O - OO

• Type AB - AB

• Type B - BB or BO

• Type A - AA or AO

Multiple Choice

How does the presence of Rh factor affect blood typing?

• It determines whether the blood type is positive or negative.

• It changes the blood type from A to B.

• It makes the blood type universal.

• It has no effect on blood typing.

Multiple Choice

What blood spatter pattern is seen in the photo?

• Wipe
• Swipe
• Walking Drip
• Flow

Multiple Choice

What are the types of bodily fluids that forensic serologists analyze?

• Blood

• Semen

• Fecal matter

• All of the above

Open Ended

What are the steps to conduct a forensic investigation of a crime scene?

Open Ended

How do forensic scientists determine if the blood is human or animal?

Open Ended

What is the proper procedure for documenting and packaging blood evidence?

Multiple Choice

What was the practice of bloodletting used for in ancient civilizations?

• To cure diseases

• To draw blood for testing

• To perform surgeries

• To treat infections

Multiple Choice

•First to dissect a human body •Perfected the science of mummification- Major organs were removed and placed in jars and body wrapped in a linen cloth.

• Egyptians

• Greek

• Romans

• Italians

Multiple Choice

•First to dissect a human body •Made the science of mummification perfect- Major organs were removed and placed in jars and body wrapped in a linen cloth.

• Egyptians

• Greek

• Romans

• Italians

Multiple Choice

•First to dissect a human body •Perfected the science of mummification- Major organs were removed and placed in jars and body wrapped in a linen cloth.

• Egyptians
• Greek
• Romans
• Italians

Multiple Select

which of the following are true about differences between veins and arteries? Choose two.

• arteries carry blood away from the heart and veins carry blood to the heart

• veins carry blood away from the heart and arteries carry blood to the heart

• arteries carry oxygenated blood and veins carry deoxygenated blood

• veins carry blood to the upper regions of the body and arteries carry blood to the lower regions of the body

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident