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MCQs

Total Questions : 60 | Page 3 of 6 pages
Question 21. Which of the following is NOT the type of epistasis?
  1.    Dominant
  2.    Recessive
  3.    Collabrative
  4.    Supplementary
 Discuss Question
Answer: Option C. -> Collabrative
Answer: (c).Collabrative
Question 22. Name the effect which shows the change in expression of alleles of the gene due to a specific environmental condition.
  1.    Pleiotropy
  2.    Linkage
  3.    Phenocopy
  4.    Penetrance
 Discuss Question
Answer: Option C. -> Phenocopy
Answer: (c).Phenocopy
Question 23. What is psudoallele?
  1.    Allele with similar function
  2.    Allele with similar structure
  3.    Alleles with similar function and structure
  4.    Alleles with similar function and different structure
 Discuss Question
Answer: Option D. -> Alleles with similar function and different structure
Answer: (d).Alleles with similar function and different structure
Question 24. Name the phenomenon where two genes have the same expression of the character?
  1.    Pleiotropy
  2.    Phenocopy
  3.    Penetrance
  4.    Expressivity
 Discuss Question
Answer: Option A. -> Pleiotropy
Answer: (a).Pleiotropy
Question 25. Choose the correct ratio, which shows the masking gene interaction?
  1.    12:3:1
  2.    9:3:4
  3.    1:2:1
  4.    9:7
 Discuss Question
Answer: Option A. -> 12:3:1
Answer: (a).12:3:1
Question 26. The tendency of two or more than two genes to stay together during inheritance is called ___________
  1.    Genetics
  2.    Gene interaction
  3.    Crossing over
  4.    Linkage
 Discuss Question
Answer: Option D. -> Linkage
Answer: (d).Linkage
Question 27. The linkage maps are constructed by using recombination frequencies between genes.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 28. What is the maximum percentage of recombination frequency between two genes?
  1.    75%
  2.    100%
  3.    50%
  4.    25%
 Discuss Question
Answer: Option B. -> 100%
Answer: (b).100%
Question 29. What is the unit of linkage map?
  1.    Morgan
  2.    Centi-morgan
  3.    Centimeter
  4.    Angstrom
 Discuss Question
Answer: Option B. -> Centi-morgan
Answer: (b).Centi-morgan
Question 30. Which of the following statement is NOT true regarding linkage group?
  1.    Group of physically linked genes
  2.    Represent a haploid number of chromosomes
  3.    Shown by linkage map
  4.    Linkage groups are not correlated with each other
 Discuss Question
Answer: Option D. -> Linkage groups are not correlated with each other
Answer: (d).Linkage groups are not correlated with each other

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