M.Sc. II (Semester III) (CBCS) Examination, 2017
Zoology
Molecular Cytogenetics
Day Date: Tuesday, 18-04-2017 Max. Marks: 70
Time: 02.30 PM to 05.00 PM
Note: Question 2 6 are compulsory.
Attempt any two question from 3,4 and 5
Q.1 Multiple Choice Question (per question 2 marks) 14
The linker DNA is associated with histone
H2A H2B
H3 H1
Restriction enzymes are called
Exonuclease isomerase
permease endonuclease
Genetically inactive areas of chromosomes are called
Euchromatin Heterochromatin
Allochromosome telomere
The coding sequences in DNA are called
exons recons
histones introns
Trisomic condition is represented by
2n+1 2n-1
2n-2 2n+2
An individual with chromosomes compliment 45, XO is
known as syndrome
Turner Klinefelter
Edwards Down
Pseudominance is seen during
Duplication Deletion
Translocation Inversion
is virus mediated bacterial DNA transfer of genetic
material
Transformation Conjugation
Transduction Translocation
Page 1 of 2
SLR-RT -793
a technique used in molecular cytogenetics.
Northern blotting Southern blotting
Western blotting Karyotyping
Q.2 Describe how sex is determined in Drosophila. Add a note on
Genic balance theory?
14
Q.3 Answer the following
Describe the technique of human chromosome analysis 07
Describe how Cell cycle is regulated 07
Q.4 Explain the following.
Cytogenetic effects of ionizing radiation 05
Transposable elements 05
GISH 04
Q.5 Explain in short
Chromosomal structural aberrations 07
Metabolic disorders with an example 07
Q.6 Write short notes on any four of the following 14
Conjugation in bacteria
Histones
Barr bodies
Telomere
Kinetochore
Cell cycle.