Final Review Check #65-94

15 Questions | Total Attempts: 142

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Final Review Check #65-94

Questions and Answers
  • 1. 
    What is codominance?
    • A. 

      Both alleles show up

    • B. 

      Creates third new phenotype in between the two

    • C. 

      Trait controlled by many genes

  • 2. 
    What are Mendel’s three laws?
    • A. 

      Dominance and recessiveness

    • B. 

      Segregation: each parent donates one allele

    • C. 

      Independent assortment: traits are independent of each other

    • D. 

      Beneficial traits: genes that provide greater fitness will occur more often

  • 3. 
    What does DNA stand for and what is its function?
    • A. 

      Deoxyribonucleic acid; code for all traits

    • B. 

      Deoxyribonucleic acid; code for nucleus

    • C. 

      Ribonucleic acid; code for all traits

    • D. 

      Ribonucleic acid; code for nucleus

  • 4. 
    What are the three parts of a nucleotide?
    • A. 

      Phosphate group, sugar, nitrogen base

    • B. 

      Phosphate group, sugar, hydrogen base

    • C. 

      Phosphate group, nitrogen base, glucose

  • 5. 
    What are codons?
    • A. 

      Three nucleotides in a row

    • B. 

      Bases

    • C. 

      2 strands

  • 6. 
    What do chains of amino acids create?
    • A. 

      Protein

    • B. 

      Secondary structure

    • C. 

      Codons

  • 7. 
    What is a karyotype? 
    • A. 

      Picture of chromosomes grouped in order

    • B. 

      Three nucleotides in a row

    • C. 

      Graphic representation of family tree using symbols

  • 8. 
    What is a pedigree?
    • A. 

      Graphic representation of family tree using symbols

    • B. 

      Picture of chromosomes grouped in order

    • C. 

      DNA fingerprint

  • 9. 
    What is the difference between autosomal and sex linked traits?
    • A. 

      Austosomal- occurs in the first 22 pairs of chromosomes; sex linked- occurs on 23rd pair

    • B. 

      Sex linked- occurs in the first 22 pairs of chromosomes; Autosomal- occurs on 23rd pair

  • 10. 
    In sex linked traits, are males or females more likely to express the trait? Be a carrier?
    • A. 

      Males; females

    • B. 

      Females; males

    • C. 

      Males; both

    • D. 

      Females; both

  • 11. 
    . What blood type is the universal donor?
    • A. 

      O

    • B. 

      AB

    • C. 

      A

    • D. 

      B

  • 12. 
    What blood type is the universal recipient?
    • A. 

      AB

    • B. 

      O

    • C. 

      A

    • D. 

      B

  • 13. 
    What process do you use to make a DNA fingerprint?
    • A. 

      Gel electrophoresis

    • B. 

      Karyotyping

    • C. 

      PCR

  • 14. 
    What is cloning?
    • A. 

      Creating a genetically identical copy

    • B. 

      Creating a genetically similar copy

    • C. 

      Creating a genetically different copy

  • 15. 
    What is non-disjunction?
    • A. 

      When chromosomes fail to separate correctly in meiosis

    • B. 

      When chromosomes fail to separate correctly in mitosis

    • C. 

      When chromosomes fail to separate correctly in cytokinesis

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