Practice Developmental Biology (5.6.3) - Epigenetic Engineering and Regulation of Gene Expression

Practice: Developmental Biology

Lesson 5.6.3Epigenetic Engineering and Regulation of Gene Expression

Practise this section

8 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is epigenetics?
Show hintHide hint
Think of examples of gene expression without changing DNA.
Question 2.
Name a mechanism of epigenetic modification.
Show hintHide hint
Consider what affects how tightly DNA is packed.
3Question 3.
What role does DNA methylation typically play?
- Activates gene expression
- Represses gene expression
- No effect on gene expression
Show hintHide hint
Remember how methylation modifies DNA structure.
4Question 4.
True or False: Epigenetic changes are permanent and non-reversible.
- True
- False
Show hintHide hint
Think about the flexibility of these modifications.
Question 5.
Given a scenario where a specific cancer gene is silenced due to DNA methylation, design an experimental approach leveraging CRISPR-dCas9 to reactivate this gene.
Show hintHide hint
Focus on the mechanism of action for CRISPR-dCas9 and the nature of the methylation.
Question 6.
Evaluate the ethical implications of using epigenetic editing in human embryos. What considerations must scientists take into account?
Show hintHide hint
Reflect on both scientific responsibility and societal norms.

4 more questions in this section. Enroll free to practise them all.