Q1ITD
Question
Describe three examples of errors in cellular processes that lead to DNA duplications
Step-by-Step Solution
VerifiedErrors that result in DNA duplications are unequal crossing over during prophase 1, slippage during DNA replication, and retrotransposition.
DNA replication is the principal progression by which a double-stranded (ds) DNA molecule is replicated for creating two identical copies of the DNA (deoxyribonucleic acid) molecules.
The making of numerous copies of DNA can be referred to as DNA amplification. The augmentation of DNA displays a significant function in cancer cells.
The replication of DNA is described as a regular form of doubling DNA with the number of genes. The quantity of DNA or the number of genes can also increase within an organism via gene duplication.
Gene duplication is termed the central machinery through which the recently established genetic material is manufactured for molecular progression or evolution.
Errors that result in DNA duplication occur in meiosis because of unequal crossing over during the period of prophase. Deletions and duplications arise due to slippage during the period of DNA replication.
Gene duplications can also result from aneuploidy, ectopic recombination, retrotransposition, polyploidy, and replication slippage.