In the name of ALLAH, the most beneficient, the most merciful

Essentials of Genetics (BIO301)

Multiple Choice Questions (MCQs)

Objective Questions

  1. Organism with a suppressor mutation is a ________ mutant but exhibits the phenotype of un-mutated wild type.

    1. Wild
    2. Natural
    3. Single
    4. Double
  2. Which two alleles are called co-dominant one another and are expressed when present?

    1. Allele A and Allele B
    2. Allele A and Allele O
    3. Allele B and Allele O
    4. Allele A and Allele i
  3. Which one of the following is not an example of human sex linked disorder?

    1. Huntington's disease
    2. Color blindness
    3. Duchenne muscular dystrophy
    4. Hemophilia
  4. Barr body is the ________.

    1. Active X chromosome
    2. Inactive X chromosome
    3. Active Y chromosome
    4. Inactive Y chromosome
  5. Causes genes to not segregate independently. Causes genes to be more likely to be inherited together. Represents an exception to Mendel's Law of Independent assortment.

    1. Gene linkage
    2. Epistasis
    3. Polygenic traits
    4. Codominance