Biology Multiple Choice Questions and Answers for Different Competitive Exams

Multiple Choice Questions on DNA Fingerprinting or DNA Profiling

1. DNA finger printing was developed by
a) Francis Crick
b) Khorana
c) Alec Jeffrey
d) James Watson

2. The technique to distinguish the individuals based on their DNA print patterns is called
a) DNA fingerprinting
b) DNA profiling
c) Molecular fingerprinting
d) All of these

3. DNA finger printing relies on
a) Difference in patterns of genes between individuals
b) Difference in order of genes between individuals
c) Difference in junk DNA patterns between individuals
d) All of these

4. Minisatellites are
a) 10-40 bp sized short sequences within the genes
b) Short coding repetitive regions on the eukaryotic genome
c) Short Non-coding repetitive sequences present throughout the chromosome
d) Are regions of chromosomes after secondary constriction

5. Each individual has a unique DNA fingerprint as individuals differ in
a) number of minisatellites on chromosome
b) location of minisatellites on chromosome
c) size of minisatellites on chromosome
d) all of these

6. The correct order of procedures in DNA profiling is
DNA fingerprinting
a) DNA isolation->PCR amplification->electrophoresis->southern blotting->autoradiography->analysis of DNA print pattern
b) DNA isolation-> restriction digestion-> PCR amplification ->electrophoresis->southern blotting->autoradiography->analysis of DNA print pattern
c) DNA isolation-> PCR amplification->restriction digestion->electrophoresis->southern blotting->autoradiography->analysis of DNA print pattern
d) DNA isolation-> ->restriction digestion-> PCR amplification ->southern blotting-> electrophoresis -> autoradiography->analysis of DNA print pattern

7. DNA profiling is used
a) In Forensic studies and in cases of disputed parentage
b) In pedigree analysis and to study migration pattern
c) To confirm cell line identity
d) All of these

8. DNA profiling technique to demonstrate the similarity between different animal species with reference to some specific protein coding DNA sequences is called
a) Zoo blot
b) Phylogenetic blot
c) Animal profiling
d) Animal blot

9. The DNA fingerprint pattern of a child is
a) Exactly similar to that of both of the parents
b) 100% similar to the father’s DNA print
c) 100% similar to the mother’s DNA print
d) 50% bands similar to father and rest similar to mother

10. DNA profiling technique to demonstrate the similarity between different plant species with reference to some specific protein coding DNA sequences is called
a) Phyto blot
b) Garden blot
c) Plant profiling
d) All of these
Learn More:
Answers:
1.c) Alec Jeffrey
2.d) All of these
3.c) Difference in junk DNA patterns between individuals
4.c) Short Non-coding repetitive sequences present throughout the chromosome
5.d) all of these
6.b) DNA isolation-> restriction digestion-> PCR amplification ->electrophoresis->southern blotting->autoradiography->analysis of DNA print pattern
7.d) All of these
8.a) Zoo blot
9.d) 50% bands similar to father and rest similar to mother
10.b) Garden blot

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