How can scientists use dna in crime scene investigations?

a) they analyze the size of the dna to determine where a crime was committed.
b) they analyze the gc content of the dna to determine how a crime was committed.
c) they analyze the sequence of bases in the dna to determine who committed a crime.
d) they analyze the age of the dna to determine when a crime was committed.

Explain nonnuclear inheritance. ~ ap biology

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.

Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement  most likely  describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment.svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment.svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment.svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.