SEQUENCE DELETION Meaning and
Definition
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Sequence deletion refers to the process of removing or eliminating a specific sequence of nucleotides from a DNA or RNA molecule. It is a genetic alteration that can occur naturally or be deliberately induced through various techniques.
In molecular biology, a sequence refers to a specific order of nucleotides, which are the building blocks of DNA and RNA. Each nucleotide consists of a sugar molecule, a phosphate group, and a nitrogenous base (adenine, thymine, cytosine, guanine in DNA; adenine, uracil, cytosine, guanine in RNA). The genetic information is encoded in the sequence of these nucleotides.
Sequence deletion involves the removal of a segment of nucleotides from a DNA or RNA molecule. This can result in the loss of important genetic material, altering the structure and function of the molecule. Sequence deletions can be small, involving a few nucleotides, or large, encompassing several genes or entire chromosomes.
Sequence deletion can occur spontaneously due to errors in DNA replication, repair, or recombination processes. These deletions can lead to genetic disorders or diseases by disrupting essential genes or regulatory sequences. In some cases, sequence deletion may have no apparent effect on an organism's phenotype.
Scientists can also induce sequence deletions in the laboratory using techniques such as gene editing tools like CRISPR-Cas9. These tools allow researchers to precisely remove or alter specific sequences of DNA or RNA for various purposes, including studying gene function, understanding disease mechanisms, or developing potential gene therapies.
In summary, sequence deletion refers to the removal or elimination of a specific sequence of nucleotides from a DNA or RNA molecule, either naturally or through deliberate manipulation. It can have significant implications for an organism's genetics and can be an important tool in
Common Misspellings for SEQUENCE DELETION
- aequence deletion
- zequence deletion
- xequence deletion
- dequence deletion
- eequence deletion
- wequence deletion
- swquence deletion
- ssquence deletion
- sdquence deletion
- srquence deletion
- s4quence deletion
- s3quence deletion
- se1uence deletion
- se2uence deletion
- sewuence deletion
- seauence deletion
- seqyence deletion
- seqhence deletion
- seqjence deletion
- seqience deletion
Etymology of SEQUENCE DELETION
The term "sequence deletion" is composed of two key elements: "sequence" and "deletion".
The word "sequence" comes from the Latin word "sequens" meaning "following" or "sequi" meaning "to follow". It originally referred to something that follows something else in a particular order or pattern.
The word "deletion" comes from the Latin word "deletio" which is derived from the verb "delere" meaning "to destroy" or "to erase". It refers to the act of removing or eliminating something, typically in the context of removing a part of a larger whole.
Therefore, "sequence deletion" refers to the process of removing or eliminating a specific portion of a sequence, often used in genetics or computer programming to describe the removal or absence of a specific sequence of nucleotides or characters.
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