Chromosome Mapping PowerPoint

Alyssa Goodman

Chromosome Two

Essential Tremor • Exact Address-2p24• Inherited autosomal dominant trait• Tremor, uncontrollable shaking, is a common symptom of

neurological disorders such as Parkinson disease, head trauma, and stroke. However, many people with tremor have what is called idiopathic or essential tremor.

• Two genes for essential tremor have been found on two different chromosomes demonstrating that mutations in a variety of genes may lead to essential tremor.

Waardenburn Syndrome• Exact Address-2q35• Dominantly Inherited• A wide bridge of the nose; pigmentary

disturbances such as two different colored eyes, white forelock and eyelashes and premature graying of the hair; and some degree of cochlear deafness