Description
BZYCT 137 BSCG ignou assignment 2024
Course : BSCG
Session 2024
Submission date : This assignment is valid from 1st January, 2024 to 31st December, 2024.
1. a) Explain dihybrid cross and Mendel’s Law of independent
assortment.
b) Explain the types of epistasis.
(6)
(4)
2. Describe the molecular mechanism of crossing over. (10)
3. a) Discuss the two structural abnormalities-inversion and translocation.
b) What is Down Syndrome?
BZYCT 137 BSCG ignou assignment 2024
4. Discuss the types of polyploids and their applications. (10)
5. Describe the chromosomal sex determination mechanisms. (10)
6. Describe the five types of DNA repair systems. (10)
7. Discuss the origin of the Universe and Big Bang Theory. (10)
BZYCT 137 BSCG ignou assignment 2024
8. Define the following:
a) Founder effect
b) Allopatric speciation
c) Natural selection
d) Von Baer’s principle
e) Analogous organs
f) Tautomerization
g) Expressivity
h) DNA denaturation
i) Petite
j) Map unit
(10×2=20)
9. Explain in detail the technique used for determining the age of rocks.
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