There are this many main human blood types.
What is four?
This part of the hair contains DNA.
What is the root or the follicle?
The most common fingerprint pattern.
What is the loop?
This piece of equipment helps scientists compare fiber structure.
What is a microscope?
Shoeprint size can help estimate this about a suspect.
What is height?
A person with this blood type is called the universal donor.
What is Type O?
This layer of the hair shows patterns like continuous, fragmented, or absent.
What is the medulla?
Name the three main fingerprint patterns.
What are loops, arches, and whorls?
This natural fiber comes from the hair of animals and has a scaly surface under the microscope.
What is wool?
This is what you call tiny unique wear patterns that make a shoeprint individual.
What are individual or accidental characteristics?
Blood type is determined by the presence or absence of these proteins.
What are antigens?
Hair found at a crime scene is this type of evidence.
What is class evidence?
This is when your fingerprints are formed
What is before birth or in the womb?
This smooth natural fiber comes from silkworms and appears shiny and fine when viewed under magnification.
What is silk?
A three-dimensional impression left by a shoe when it sinks into a soft surface such as mud, snow, wet sand, or dirt
What is plastic?
If suspect’s blood clumps with Anti-A and Anti-B serum, it is this type.
What is AB?
A medullary index greater than 1/3 is typically characteristic of this type of hair.
What is animal hair?
This type of fingerprint is not visible to the naked eye and must be developed using powders or chemicals.
What is a latent fingerprint?
This plant-based fiber has a twisted ribbon-like appearance under the microscope.
What is cotton?
Shoeprints left in blood or paint are this type of print.
What is a visible or patent print?
The process where red blood cells clump together in response to a specific antibody
What is agglutination?
The part of hair contains most of the hair's pigment, strength, and structure
What is the cortex?
These fingerprint details, like bifurcations or ridge endings, make your print unique.
What are minutiae?
This fiber has a bamboo-like structure.
What is linen?
Size, pattern, brand.
What is types of class evidence?