There is no 'deletion chromosome'. You mean chromosome deletion, and it is a phenomenon where a chromosome disappears from cell's genetic layout.
Deletion Syndrome or Williams Syndrome
A loss of a complete chromosome is called monosomy. This occurs when a cell only has one copy of a particular chromosome instead of the usual two copies.
A deletion in the X chromosome can result in blindness if it affects genes that are essential for vision. Genes involved in eye development and function are located on the X chromosome, so a deletion can disrupt the production of proteins necessary for normal vision. This disruption can lead to vision problems or blindness depending on the extent of the deletion and which specific genes are affected.
Deletion: a segment of the chromosome is lost during breakage. Duplication: a segment of the chromosome is copied and inserted back into the chromosome following breakage. Inversion: a segment of the chromosome is reversed and re-inserted following breakage. Translocation: a segment of the chromosome breaks off and joins a different chromosome.
Deletion
deletion syndrome is a disorder caused by the deletion of a small piece of chromosome 22. The deletion occurs near the middle of the chromosome at a location designated q11.2.
due to deletion of seven genes (or some subset thereof) on chromosome 15 (q 11-13) are deleted or unexpressed (chromosome 15q partial deletion) on the paternal chromosome.
Deletion Syndrome or Williams Syndrome
deletion
Deletion: Part of a chromosome is missing. Duplication: A segment of a chromosome is copied multiple times. Inversion: A segment of a chromosome is reversed in orientation. Translocation: Part of a chromosome breaks off and attaches to another chromosome.
A loss of a complete chromosome is called monosomy. This occurs when a cell only has one copy of a particular chromosome instead of the usual two copies.
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This type of mutation is known as a deletion.
A deletion in the X chromosome can result in blindness if it affects genes that are essential for vision. Genes involved in eye development and function are located on the X chromosome, so a deletion can disrupt the production of proteins necessary for normal vision. This disruption can lead to vision problems or blindness depending on the extent of the deletion and which specific genes are affected.
Deletion: a segment of the chromosome is lost during breakage. Duplication: a segment of the chromosome is copied and inserted back into the chromosome following breakage. Inversion: a segment of the chromosome is reversed and re-inserted following breakage. Translocation: a segment of the chromosome breaks off and joins a different chromosome.
A chromosome that lacks a partner and in which destroys or deletes itself.
Deletion