8.2 Mysteries of the Human Body Systems

The part of the brain connecting the spinal cord with the forebrain and cerebrum.

How old is Mr. Meyers?

Any of the usually linear bodies in the cell nucleus that contain the genetic material.

A diagram of a family tree showing the occurrence of heritable characters

A rare change in the DNA of a gene, ultimately creating genetic diversity.

A condition that appears only in individuals who have received two copies of a mutant gene

What voice level should you use inside? 

A double-stranded, helical nucleic acid molecule

A nerve cell; the fundamental unit of the nervous system.

The separation of nucleic acids or proteins, on the basis of their size and electrical charge

Hearing loss or impairment resulting from exposure to loud sound.

A discrete unit of hereditary information consisting of a specific nucleotide sequence in DNA.

The bodily system that in vertebrates is made up of the brain and spinal cord, nerves, ganglia

The integrating center for memory, learning, emotions, 

only one copy of the gene associated with the trait.

The part of the nervous system which in vertebrates consists of the brain and spinal cord,

Either of the pair of sensory nerves that comprise the second pair of cranial nerves

The small circular area in the retina where the optic nerve enters the eye

A large projecting part of the brain concerned especially with the coordination of muscles