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greendeer380Lv1
28 Sep 2019
Explain in details. When oncogenes are activated by mutation we most often find that the mutation is a substitution, while when tumor suppressor genes are mutated the common mutation is an insertion/deletion. Why is this? p53 is a tumor suppressor gene yet mutations in p53 found in cancers are more often substitutions not insertion/deletions and these mutations are dominant, loss-of-function, as opposed to recessive. We call this type of mutation âdominant negativeâ â explain what is meant by that terminology. Explain how the inactivation of p53 is different than for other tumor suppressors.
Explain in details. When oncogenes are activated by mutation we most often find that the mutation is a substitution, while when tumor suppressor genes are mutated the common mutation is an insertion/deletion. Why is this? p53 is a tumor suppressor gene yet mutations in p53 found in cancers are more often substitutions not insertion/deletions and these mutations are dominant, loss-of-function, as opposed to recessive. We call this type of mutation âdominant negativeâ â explain what is meant by that terminology. Explain how the inactivation of p53 is different than for other tumor suppressors.
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0
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11 Mar 2023
Jean KeelingLv2
28 Sep 2019
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