JNTU, B.Tech,I-Semester, GENETICS,November 2008
1. Justify, ”genes are affected by environment.”
2. Explain in detail the Nucleosome Solenoid model of DNA packing.
3. What are linked genes? Do they show recombination? Explain.
4. Explain what is meant by mitotic crossing over?
5. Write notes on:
(a) Down’s syndronme
(b) Turner’s syndrome.
6. Write notes on:
(b) Intersexes .
7. Heterochromatinization occurs only in females – Explain.
8. Mitichondrial inheritance mechanism differs from nuclear inheritance ?Explain.