While ALS is the most common motor neuron disease, we also treat all other forms, including: 1  PLS (Primary Lateral Sclerosis), affecting the upper motor neurons in the brain and spinal cord. 2  PMA (Primary Muscular Atrophy), affecting the lower motor neurons from the spine to the muscle.
Deletion Mutation and DNA. A deletion mutation occurs when part of a DNA molecule is not copied during DNA replication. This uncopied part can be as small as a single nucleotide or as much as an entire chromosome.The loss of this DNA during replication can lead to a genetic disease.eletion Mutation and DNA. A deletion mutation occurs when part of a DNA molecule is not copied during DNA replication. This uncopied part can be as small as a single nucleotide or as much as an entire chromosome.
Base Deletion. A form of dna mutation where one or more of the dna bases is removed from the dna chain and lost forever. Please contribute to this project, if you have more information about this term feel free to edit this page. This page was last modified on 3 October 2005, at 21:16.This page has been accessed 11,860 times.