M.Sc. (Semester (CBCS) Examination Oct/Nov-2017
Genetics
CYTOGENETIC AND GENOME ORGANIZATION
Day Date: Tuesday, 21-11-2017 Max. Marks: 70
Time: 10.30 AM to 1.00 PM
Instructions: All questions of Section-I are compulsory.
Answer any four questions from Section-II.
All questions carry equal marks.
Draw neat and labeled diagrams wherever necessary.
Section I
Q.1 Rewrite the following sentences by using correct alternatives: 07
is sex chromosomal disorder.
Colorblindness Thalassemia
Sickle cell anemia Down syndrome
Turner syndrome is
XO XX
XY XYY
SINE requires nearby to transpose in a genome.
Alu gene LINES
P-element Satellite DNA
chromosomes appear rod-shaped during anaphase.
Metacentric Acrocentric
Telocentric Sub-metacentric
Sex determination in birds is
XX-XY type XX-XX type
ZZ-ZW type XO-XX type
The end of chromosome are called
Telomere Chromosome
Chromonemata Centromere
virus has eight segments of RNA as genome.
SV 40 Influenza
Adenovirus HIV
Define the following terms. 07
Minisatellite.
Somaclonal variation.
Nuclesome.
Reverse transcriptase.
Chromosome.
Heterochromatin.
Genomics.
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SLR-MK-420
Section II
Answer any four:
Q.2 Describe chromosome banding with a labeled diagram. 14
Q.3 Describe extra nuclear inheritance with suitable examples. 14
Q.4 Explain Mechanisms of sex determination in animals. 14
Q.5 Answer any two of the following: 14
Write a note on Meiotic Chromosomes.
Explain dosage compensation.
Write on Microsatellite DNA.
Q.6 Answer any two of the following: 14
Write a note on Chromosome painting.
Write on Alu family.
Explain fine structure of gene.