gene duplication
gene duplication A process in evolution where a gene is copied twice; the two copies lie side by side along the same chromosome.
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Pseudogenes , Pseudogenes are defective copies of functional genes. These may be partial or complete duplicates derived from polypeptide-encoding genes or RNA gene… Imprinting , Definition
Genetic imprinting is the differential expression of a gene depending on whether it was maternally or paternally inherited. It is a method… Tandem Array , tandem array Repetitive DNA, where the repeating units are contiguous. Some genes of high copy number occur in tandem arrays e.g. ribosomal DNA in eu… Regulator Gene , regulatory gene In the operon theory of gene regulation, a gene that is involved in switching on or off the transcription of structural genes. When t… Genes , A common feature of organisms is that offspring tend to look like their parents. For example, tall, brown-eyed parents tend to have tall, brown-eyed… gene family , gene family A group of similar or identical genes, usually along the same chromosome, that originate by gene duplication of a single original gene. S…
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gene duplication