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MCQs

Total Questions : 194 | Page 13 of 20 pages
Question 121. What are alteRNAtive versions of a gene called?
  1.    Subgenes
  2.    alleles
  3.    sub alleles
  4.    Allogenes
 Discuss Question
Answer: Option B. -> alleles
Answer: (b).alleles
Question 122. Which of following is true for a Widow's peak?
  1.    recessive trait
  2.    dominant trait
  3.    universal trait
  4.    silent trait
 Discuss Question
Answer: Option B. -> dominant trait
Answer: (b).dominant trait
Question 123. What is incidence of phenylketonuria?
  1.    1 in 10,000
  2.    1 in 500
  3.    1 in 10
  4.    1 in 5000
 Discuss Question
Answer: Option A. -> 1 in 10,000
Answer: (a).1 in 10,000
Question 124. Genotype of F1 individuals in a tetra hybrid cross is AaBbCcDd. Assuming independent assortment of these four genes, what are probabilities that F2 offspring will have following genotypes?
  1.    aabbccdd
  2.    aabbccdd
  3.    aabbccdd
  4.    aabbccdd
 Discuss Question
Answer: Option D. -> aabbccdd
Answer: (d).aabbccdd
Question 125. Which of following helps analyze genotype and traits that run in a family?
  1.    Punnett's square
  2.    chi square test
  3.    pedigree tree
  4.    phylogenetic tree
 Discuss Question
Answer: Option C. -> pedigree tree
Answer: (c).pedigree tree
Question 126. How many alleles does gene have which determines human blood type?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option C. -> 3
Answer: (c).3
Question 127. Variants of a heritable character are called
  1.    trait
  2.    feature
  3.    character
  4.    attribute
 Discuss Question
Answer: Option A. -> trait
Answer: (a).trait
Question 128. Down syndrome is most common in children who are born to women
  1.    over the age of 30
  2.    under the age of 30
  3.    under the age of 25
  4.    under the age of 20
 Discuss Question
Answer: Option A. -> over the age of 30
Answer: (a).over the age of 30
Question 129. A heritable feature that variates amongst individuals are called
  1.    character
  2.    feature
  3.    attribute
  4.    trait
 Discuss Question
Answer: Option A. -> character
Answer: (a).character
Question 130. Height and weight are examples of which of following characters?
  1.    continuum
  2.    qualitative
  3.    quantitative
  4.    subjective
 Discuss Question
Answer: Option C. -> quantitative
Answer: (c).quantitative

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