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MCQs

Total Questions : 194 | Page 15 of 20 pages
Question 141. Human MN blood group is an example of which of following?
  1.    totally dominant
  2.    incomplete dominant
  3.    codominant
  4.    semi dominant
 Discuss Question
Answer: Option C. -> codominant
Answer: (c).codominant
Question 142. Which of following denoted a homozygous recessive gene?
  1.    wv
  2.    ww
  3.    wx
  4.    wo
 Discuss Question
Answer: Option B. -> ww
Answer: (b).ww
Question 143. In which of following disease brain cells of a child cannot metabolize certain lipids because a crucial enzyme does not work properly?
  1.    fragile x syndrome
  2.    Tay Sach's
  3.    down syndrome
  4.    parkinson's disease
 Discuss Question
Answer: Option B. -> Tay Sach's
Answer: (b).Tay Sach's
Question 144. If F1 offspring have a phenotype that is hybrid of parents, alleles of gene are said to have
  1.    incomplete dominance
  2.    complete dominance
  3.    semi dominance
  4.    total dominance
 Discuss Question
Answer: Option A. -> incomplete dominance
Answer: (a).incomplete dominance
Question 145. Mendel identified second law of inheritance by following how many characteristics?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 146. Which term is used to describe an organism's observable traits?
  1.    trait
  2.    genotype
  3.    characteristic
  4.    phenotype
 Discuss Question
Answer: Option D. -> phenotype
Answer: (d).phenotype
Question 147. Which of following gets lower in levels in a sickle cell anemia patient?
  1.    carbon
  2.    nitrogen
  3.    carbon dioxide
  4.    oxygen
 Discuss Question
Answer: Option D. -> oxygen
Answer: (d).oxygen
Question 148. When a gene has multiple phenotypic effects it's called
  1.    Polytropy
  2.    Multitropy
  3.    Genotropy
  4.    pleiotropy
 Discuss Question
Answer: Option D. -> pleiotropy
Answer: (d).pleiotropy
Question 149. Diagnosing a disease from a sample of amniotic fluid is called
  1.    amniocentesis
  2.    amniotic testing
  3.    Amniotest
  4.    pedigree
 Discuss Question
Answer: Option A. -> amniocentesis
Answer: (a).amniocentesis
Question 150. The phosphate molecules present on the DNA strand give it a large positive charge.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False

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