Psychology - Life Span - Chapter 3 - Book Work (pt 1)

14 Questions

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Psychology Quizzes & Trivia

Psychology 237 Life Span


Questions and Answers
  • 1. 
     When a sperm and an ovum merge, a one-celled _________ is formed.
    • A. 

      Zygote

    • B. 

      Reproductive cell

    • C. 

      Gamete

    • D. 

      Monozygote

  • 2. 
    Genes are separate units that provide the chemical instrctions that each cell needs to become:
    • A. 

      A zygote

    • B. 

      A chromosome

    • C. 

      A specific part of a functioning human body

    • D. 

      Deoxyribonucleic acid

  • 3. 
    Because the 23rd pair of chromosomes in females is XX, each ovum carries an:
    • A. 

      XX zygote

    • B. 

      XY zygote

    • C. 

      X zygote

    • D. 

      X chromosome

  • 4. 
    When a zygote splits, the two identical, independent clusters that develop become:
    • A. 

      Dizygotic twins

    • B. 

      Monozygotic twins

    • C. 

      Fraternal twins

    • D. 

      Trizygotic twins

  • 5. 
    During adulthood, genetic influences on development
    • A. 

      Generally increase

    • B. 

      Generally decrease

    • C. 

      Remain steady

    • D. 

      Vary from individual to individual

  • 6. 
    Most of the known genetic disorders are:
    • A. 

      Dominant

    • B. 

      Recessive

    • C. 

      Seriously disabling

    • D. 

      Sex-linked

  • 7. 
    When we say that a characteristic is multifactorial, we mean that:
    • A. 

      Many genes are involved

    • B. 

      Many environmental factors are involved

    • C. 

      Many genetic and environmental factors are involved

    • D. 

      The characteristic is polygenic

  • 8. 
    Genes are segments of molecules of:
    • A. 

      Genotype

    • B. 

      Deoxyribonucleic acid (DNA)

    • C. 

      Karyotype

    • D. 

      Phenotype

  • 9. 
    In the US, newborns are tested for the recessive genetic disorder:
    • A. 

      Down syndrome

    • B. 

      Fragile X syndrome

    • C. 

      Alzheimer's disease

    • D. 

      Phenylketonuria

  • 10. 
    A chromosomal abnormality that affects males only involves a:
    • A. 

      XO chromosomal pattern

    • B. 

      XXX chromosomal pattern

    • C. 

      YY chromosomal pattern

    • D. 

      XXY chromosomal pattern

  • 11. 
    Some developmentalists believe that the epidemic increase in myopia among children in Hong Kong, Singapore, and Japan is partly the result of"
    • A. 

      The recent epidemic of rubella

    • B. 

      Vitamin A deficiency

    • C. 

      The increasing amount of time spent by children in close study of books and papers

    • D. 

      Mutations in the Pax6 gene

  • 12. 
    Babies born with trisomy-21 (Down syndrome) are often:
    • A. 

      Born to older parents

    • B. 

      Unusually aggressive

    • C. 

      Abnormally tall by adolescence

    • D. 

      Blind

  • 13. 
    To say that a trait is polygenic means that:
    • A. 

      Many genes make it more likely that the individual will inherit the trait

    • B. 

      Several genes must be present in order for the individual to inherit the trait

    • C. 

      The trait is multifactorial

    • D. 

      Most people carry genes for the trait

  • 14. 
    Some genetic diseases are recessive, so the child cannot inherit the condition unless both parents:
    • A. 

      Have Klinefelter syndrome

    • B. 

      Carry the same recessive gene

    • C. 

      Have XO chromosomes

    • D. 

      Have the disease