<span>The limbic system is a collective term for a group of nuclei, tracts, and cortical areas lying beneath the neocortical surface that covers the brain and that surrounds the thalamus at the core of the forebrain.</span>
Hereditary Diseases are passed on from one generation to another through defective genes. These diseases are transmitted in the same family. The chromosomes in the humans are responsible for passing the traits from the parent to the offspring.
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