Proofreading activities of DNA polymerase are vital in maintaining the accuracy of DNA replication. Identical twins have identical genetic makeup or DNA sequence, but they can still have variations in their physical appearance, susceptibility to diseases, and behavioral traits. These variations can be attributed to mutations that occur during DNA replication errors that are not corrected by proofreading activities of DNA polymerase.
Identical twins are formed when a fertilized egg divides into two separate embryos, and each embryo develops into a separate individual. During DNA replication, errors can occur due to different factors such as environmental exposure, DNA damage, or errors in DNA synthesis. When such errors are not corrected by DNA polymerase proofreading activities, mutations occur, which result in genetic variations.
However, despite the identical genetic makeup of identical twins, minor differences may still occur due to mutations that accumulate over time. These mutations may be harmless, or they may cause serious health problems, such as cancer. Therefore, the importance of proofreading activities of DNA polymerase in maintaining the accuracy of DNA replication cannot be overemphasized, especially in identical twins who share identical DNA sequences.
In summary, proofreading activities of DNA polymerase play a critical role in maintaining the accuracy of DNA replication, which is essential in the development and maintenance of an individual's genetic makeup. Identical twins serve as an example of the importance of proofreading activities of DNA polymerase since they share identical genetic makeup but still exhibit variations in physical appearance, disease susceptibility, and behavioral traits.
importance of proofreading activities of dna polymerase on identical twins
1 answer