[Solved] The most common autosomal abnormality present in people is A)XXX. B)XXY. C)XO. D)a deletion in chromosome 5. E)an extra chromosome 21. Sensory Information: Data that is perceived by the senses (sight, hearing, smell, taste, touch) and transmitted to the brain for processing. Axon Hillock: The cone-shaped area of a neuron where the axon originates and where action potentials are initiated. Telodendria: Fine, thread-like extensions of axons and dendrites at the terminus of neurons, thought to play a role in the transmission of electrical signals to adjacent neurons. Nucleus: A membrane-bound organelle found in eukaryotic cells that contains the cell's chromosomes, thereby functioning as the cell's command center for gene expression and DNA replication.