Diseases that mimic ALS. I am 35 yr Female, since December of 2010 I have had twitching in my legs,arms, feet and hands. Recently I have lost muscle in my hand (pinky joint with mild cramping) and forearm, right buttocks (large indent) and both thighs.
Jump to: navigation, search ... Deletion. Deletion is a type of mutation involving the loss of genetic material. It can be small, involving a single missing DNA base pair, or large, involving a piece of a chromosome.Narration Transcription ... s are the result of a loss of a section of the genetic material (chromosome) of the cell. If the deleted segment is small or it does not contain critical genes, the effect on the cell may be small. ~. (1) A deficiency in a chromosome resulting from the loss of a fragment through breakage.
Biology Glossary search by EverythingBio.com. A mutation involving a long segment of DNA. These mutations can involve deletions, insertions, or inversions of sections of DNA. In some cases, deleted sections may attach to other chromosomes, disrupting both the chromosomes that loses the DNA and the one that gains it.Also referred to as a chromosomal rearrangement.iology Glossary search by EverythingBio.com. A mutation involving a long segment of DNA. These mutations can involve deletions, insertions, or inversions of sections of DNA. In some cases, deleted sections may attach to other chromosomes, disrupting both the chromosomes that loses the DNA and the one that gains it.