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Question 1 Cancer starts when 1-Only tumor suppressor gene is mutated 2-Only proto-oncogene is mutated 3-Proto-oncogene...

Question 1

Cancer starts when

1-Only tumor suppressor gene is mutated

2-Only proto-oncogene is mutated

3-Proto-oncogene and tumor suppressor gene are mutated at the same time

4-Proto-oncogene and tumor suppressor gene are not mutated at the same time

Question 2

Which of the following proto-oncogenes, when mutated can lead to breast cancer?

1-HER2

2-BRCA2

3-CCND1

4-K-RAS



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Homework Answers

Answer #1

Question 1

Cancer starts when

Answer-3-Proto-oncogene and tumor suppressor gene are mutated at the same time

Proto-oncogene gets mutation and turn into an oncogene. PRotooncogen does not cause cancer, oncogene does. Proto-oncogene helps in cell growth. Tumor suppressor cells function is to slow down the cell division, repair DNA. when the tumor suppressor cell gets mutated, it forms cancer.

Question 2.

Answer-

1-HER2

2-BRCA2

BRCA2 stands for BReast CAncer.

HER2 is associated with breast cancer.

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