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Understanding Cancer Genetics Quiz

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Questions and Answers

Which type of changes in DNA within cells can cause cells to grow and divide uncontrollably, leading to the formation of a tumor?

Changes in proteins

Changes in the DNA (correct)

Changes in RNA

Changes in the cell membrane

What is the main characteristic of cancer at the molecular level?

Copy number stability

High genomic instability (correct)

Somatic gene stability

Low genomic instability

Why does the heterogeneity of cancer pose a significant challenge to personalized cancer medicine?

It makes it difficult to perform surgery on cancer patients

It makes it difficult to treat cancer with chemotherapy

It makes it difficult to diagnose cancer

It affects key cancer pathways, driving phenotypic variation (correct)

Which gene is most commonly mutated in breast cancer?

PIK3CA Signup and view all the answers

What is the self-seeding model of cancer development?

Cancer cells spread to other parts of the body Signup and view all the answers

What are passenger mutations in cancer cells?

Mutations that do not contribute to cancer's development Signup and view all the answers

What is the role of epigenetics in cancer development?

All of the above. Signup and view all the answers

What is the purpose of cataloguing genetic changes in different types of cancer?

To make the data publicly available. Signup and view all the answers

What is the significance of single-cell NGS in cancer research?