It is possible that a fragment of DNA may become detached from a chromosome and then reattach in the reverse orientation, resulting in a
mutation called inversion.

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.

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria

What is the most abundant vertebrate on earth?