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MCQs

Total Questions : 194 | Page 18 of 20 pages
Question 171. Sex-linked traits include
  1.    color blindness
  2.    Male pattern baldness
  3.    haemophilia
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 172. The variation in the off springs can come through
  1.    mitosis
  2.    test cross
  3.    crossing over
  4.    Gene flow
 Discuss Question
Answer: Option C. -> crossing over
Answer: (c).crossing over
Question 173. Number of chromosomes meiosis maintains is
  1.    2n
  2.    4n
  3.    6n
  4.    same
 Discuss Question
Answer: Option D. -> same
Answer: (d).same
Question 174. The process which restricts the multiplication of chromosome number and maintains the stability of species is
  1.    mitosis
  2.    meiosis
  3.    replication
  4.    gene expression
 Discuss Question
Answer: Option B. -> meiosis
Answer: (b).meiosis
Question 175. Where the heterozygote is indistinguishable from one of the homozygotes the allele involved is said to be
  1.    recessive
  2.    dominant
  3.    both a and b
  4.    none of above
 Discuss Question
Answer: Option B. -> dominant
Answer: (b).dominant
Question 176. The alternative forms of same gene is called
  1.    locus
  2.    gene
  3.    allele
  4.    phenotype
 Discuss Question
Answer: Option C. -> allele
Answer: (c).allele
Question 177. If both the alleles are same with respect to genes than they are called as
  1.    heterozygous
  2.    unicellular
  3.    homozygous
  4.    multicellular
 Discuss Question
Answer: Option C. -> homozygous
Answer: (c).homozygous
Question 178. Most multicellular organisms are
  1.    haploid
  2.    diploid
  3.    single nucleus
  4.    none of above
 Discuss Question
Answer: Option B. -> diploid
Answer: (b).diploid
Question 179. Organisms that have one copy of each gene on each chromosome are
  1.    diploid
  2.    haploid
  3.    unicellular
  4.    Polyploid
 Discuss Question
Answer: Option A. -> diploid
Answer: (a).diploid
Question 180. In which year was Neanderthal genome sequenced?
  1.    2010
  2.    2011
  3.    2012
  4.    2013
 Discuss Question
Answer: Option A. -> 2010
Answer: (a).2010

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