Molecular Basis Of Heredity For Leland Hs Bio II

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Molecular Basis Of Heredity For Leland Hs Bio II

Pretest for the unit Molecular Basis of Heredity


Questions and Answers
  • 1. 
    An organism that has two identical alleles for the same trait is heterozygous
    • A. 

      True

    • B. 

      False

  • 2. 
    The physical appearance of a gene
    • A. 

      Genotype

    • B. 

      Inheritance

    • C. 

      Phenotype

    • D. 

      Mesotype

  • 3. 
    This is an observable trait of an organism that can mask the recessive trait.
    • A. 

      Recessive

    • B. 

      Appearance

    • C. 

      Dominant

    • D. 

      Competitive

  • 4. 
    This is a segment of DNA on the chromosome that is coded for a particular trait.
    • A. 

      Chromosome

    • B. 

      Nucleotide

    • C. 

      Gene

    • D. 

      Chromatid

  • 5. 
    RNA differs from DNA in the following ways
    • A. 

      DNA is double stranded and RNA is single stranded

    • B. 

      The bases of DNA include adenine while RNA uses uracil in its place

    • C. 

      Only DNA codes for genetic information

    • D. 

      RNA codes for information passed between the nucleus and the rest of the cell

  • 6. 
    The process of copying information from DNA to RNA is ____________________
  • 7. 
    Mitosis is a process where a parent cell divides into four sex cells with half the chromosomes.
    • A. 

      True

    • B. 

      False

  • 8. 
    The structure that houses the cells genetic information.
    • A. 

      The endoplasmic reticulum

    • B. 

      The cell membrane

    • C. 

      The cytoplasm

    • D. 

      The nucleus

  • 9. 
    This is the complete set of all chromosomes of a cell of any living organism. They are often displayed in a photograph of chromosomes that have been grouped into matching pairs.
    • A. 

      Genotype

    • B. 

      Multiple Alleles

    • C. 

      Karotype

    • D. 

      Phenotype

  • 10. 
    An allele is one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome 
    • A. 

      True

    • B. 

      False