Table of contents
- 1. Introduction to Genetics51m
- 2. Mendel's Laws of Inheritance3h 37m
- 3. Extensions to Mendelian Inheritance2h 41m
- 4. Genetic Mapping and Linkage2h 28m
- 5. Genetics of Bacteria and Viruses1h 21m
- 6. Chromosomal Variation1h 48m
- 7. DNA and Chromosome Structure56m
- 8. DNA Replication1h 10m
- 9. Mitosis and Meiosis1h 34m
- 10. Transcription1h 0m
- 11. Translation58m
- 12. Gene Regulation in Prokaryotes1h 19m
- 13. Gene Regulation in Eukaryotes44m
- 14. Genetic Control of Development44m
- 15. Genomes and Genomics1h 50m
- 16. Transposable Elements47m
- 17. Mutation, Repair, and Recombination1h 6m
- 18. Molecular Genetic Tools19m
- 19. Cancer Genetics29m
- 20. Quantitative Genetics1h 26m
- 21. Population Genetics50m
- 22. Evolutionary Genetics29m
19. Cancer Genetics
Overview of Cancer
1:30 minutes
Problem 15b
Textbook Question
Textbook QuestionMammography is an accurate screening technique for the early detection of breast cancer in humans. Because this technique uses X rays diagnostically, it has been highly controversial. Can you explain why? What reasons justify the use of X rays for such a medical screening technique?
Verified Solution
This video solution was recommended by our tutors as helpful for the problem above
Video duration:
1mPlay a video:
Was this helpful?
Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Mammography and X-rays
Mammography is a specialized medical imaging technique that uses low-dose X-rays to create detailed images of the breast tissue. This method is crucial for early detection of breast cancer, allowing for timely intervention. However, the use of X-rays raises concerns due to the exposure to ionizing radiation, which can potentially increase the risk of developing cancer over time.
Recommended video:
Guided course
09:30
X-Inactivation
Radiation Exposure and Risk
The use of X-rays in mammography involves exposure to ionizing radiation, which can damage DNA and lead to mutations. While the risk of radiation-induced cancer from a single mammogram is low, cumulative exposure from repeated screenings can raise concerns. Understanding the balance between the benefits of early cancer detection and the risks associated with radiation exposure is essential in evaluating mammography's effectiveness.
Recommended video:
Guided course
06:59
RNA Interference
Benefits of Early Detection
Early detection of breast cancer through mammography significantly improves treatment outcomes and survival rates. By identifying cancer at an earlier stage, patients can receive less aggressive treatments and have a higher chance of successful recovery. This benefit often justifies the use of X-rays, as the potential risks are outweighed by the advantages of catching cancer early when it is most treatable.
Recommended video:
Guided course
03:52
Cell-cell interactions
Watch next
Master Cancer Characteristics with a bite sized video explanation from Kylia Goodner
Start learningRelated Videos
Related Practice