Animal Genetics and Breeding question bank-1

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Animal Genetics And Breeding

Animal Genetics and Breeding question bank-1

1. Exchange of strictly homologous segments between nonsister chromatids of homologous chromosome is better known as?
(a) Crossing over

(b) Translocation 

(c) Synapsis
(d) None of the above

2. Exchange of non-homologous segments between chromosome is termed as?(ICAR*)

(a) Crossing over
(b) Translocation
(c) Synapsis 

(d) None of the above

3. Mechanism of crossing over was demonstrated by the followings?

 (a) Harriet Creighton & Barbara MacClintock in Zea mays
(b) Curt Stern in Drosophila

(c) Both of the above
(d) None of the above


4. Crossing over occurs at?
(a) Pachytene stage of meiosis I 

(b) Pachytene stage of meiosis II
(c) Zygotene stage of meiosis I
(d) Zygotene stage of meiosis II

5. Which of the map cannot be constructed Using crossing over?(ICAR*)

(a) Genetic map
(c) Physical map
(b) Linkage map
(d) All of the above


6. Different stages of crossing over includes?
(a) Synapsis, Duplication of chromosomes, Breakage and union and Terminalisation

(b) Duplication of chromosomes, Synapsis, Breakage and union and Terminalisation
(c) Duplication of chromosomes, Breakage and union, Synapsis and Terminalisation 

(d) Duplication of chromosomes, Breakage and union, Terminalisation and Synapsis


7. The theories about mechanism of crossing over includes?
(a) Duplication theory
(b) Copy choice theory 

(c) Break and exchange theory
(d) All of the above

8. Who constructed the first linkage map?

(a) Alfred H. Sturtevant 

(b) Morgan
(c) Bridges
(d) John Belling

9. Genetic map is useful?
(a) To determine the location of genes 

(b) To determine the order in which the genes occur on the chromosome
(c) As an indication of the relative distances between genes

(d) All of the above


10. Actual physical distance is determined by?
(a) Deletion Mapping 

(b) Deletion Mapping & Somatic -cell Hybridization 

(c) Deletion Mapping, Somatic-cell Hybridization & n situ Hybridization
(d) Deletion Mapping, Somatic-cell Hybridization, In situ Hybridization & DNA Sequencing 

11. Mendel used experiments of?
(a) T.A. Knight
(c) T.H. Morgan
(b) Hugo de Vries
(d) Kerner


12. Gregor Johann Mendel is regarded as father of ?

(a) Plant breeding

(b) Genetics
(c) Botany
(d) Cytogenetics

13. Which of the following is not correct about Mendel?

(a) Mendel was borne near Brunn in Austria
(b) Mendel started experiments on pea
(c) Mendel presented his experimental findings in the meeting of Natural History Society 

(d) Mendel's paper contains only the work on pea


14. Which is the title of the research paper of Mendel?
(a) Experiments on pea hybridization
(b) Discovery of laws of inheritance in pea \

(c) Experiments in plant hybridization
(d) Segregation and independent assortment in pea


15. Mendel presented experimental findings in which of the following languages?
(a) German
(b) French

(c)English

(d)Greek

• Please Do Comment if you find any error in the answers✅❌

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Answer-

1.A

2.B

3.C

4.A

5.C

6.A

7.D

8.A

9.D

10.D

11.A

12.B

13.D

14.C

15.A