Gene Duplication and Mutants Quiz
30 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What tissue type is derived from the ectoderm?

  • Nervous tissue (correct)
  • Connective tissue
  • Blood cells
  • Muscle tissue
  • At what embryonic age does the neural tube typically form?

  • Week 6
  • Week 10
  • Week 8
  • Week 4 (correct)
  • Which hormone deficiency is most likely to cause early first trimester miscarriage of a healthy embryo?

  • Estrogen
  • Progesterone (correct)
  • Insulin
  • Human Chorionic Gonadotropin (hCG)
  • Which medication is NOT known to have teratogenic effects?

    <p>Tylenol (Acetaminophen)</p> Signup and view all the answers

    When can the fetal heartbeat typically be detected during gestation?

    <p>Week 7</p> Signup and view all the answers

    Defects in the formation of what structure can lead to spina bifida or anencephaly?

    <p>Neural tube</p> Signup and view all the answers

    What term describes an individual with both male and female reproductive structures?

    <p>Hermaphrodite</p> Signup and view all the answers

    Which of the following genes is commonly associated with maternal effect in Drosophila?

    <p>Bicoid</p> Signup and view all the answers

    What process involves the generation of extra copies of a gene within an organism's genome?

    <p>Gene duplication</p> Signup and view all the answers

    What technique is commonly used to identify specific genes responsible for a particular phenotype?

    <p>Gene cloning</p> Signup and view all the answers

    In fruit flies, which of the following genes is a classic example of a developmental mutant?

    <p>Eyeless</p> Signup and view all the answers

    What term describes the duplication of a gene within a genome?

    <p>Gene amplification</p> Signup and view all the answers

    What term describes the process of assigning specific fates to cells within the embryo?

    <p>Fate determination</p> Signup and view all the answers

    Which experimental technique involves the amplification of specific DNA sequences for analysis?

    <p>Polymerase chain reaction (PCR)</p> Signup and view all the answers

    What criterion refers to the strength of the association between the experimental manipulation and the observed effect?

    <p>Dose-response relationship</p> Signup and view all the answers

    Which experimental approach involves the isolation and culture of embryos outside of the organism?

    <p>In vitro experiments</p> Signup and view all the answers

    What term describes the assignment of specific cell fates based on their position within the embryo?

    <p>Cell specification</p> Signup and view all the answers

    Which criterion refers to the magnitude of the observed effect in response to varying levels of the experimental manipulation?

    <p>Dose-response relationship</p> Signup and view all the answers

    What term describes the phenomenon where a single gene mutation results in multiple phenotypic effects?

    <p>Pleiotropy</p> Signup and view all the answers

    Which type of mutant carries a mutation resulting in the enhancement of gene function?

    <p>Gain-of-function mutant</p> Signup and view all the answers

    What term refers to the irreversible decision of a cell to follow a particular developmental pathway?

    <p>Developmental commitment</p> Signup and view all the answers

    In gene duplication, what is the primary outcome of having multiple copies of a gene?

    <p>Enhanced gene expression</p> Signup and view all the answers

    Which experimental approach involves the manipulation of embryos in their natural environment?

    <p>In vivo experiments</p> Signup and view all the answers

    What term describes an individual with only one functioning copy of a particular gene?

    <p>Hemizygous</p> Signup and view all the answers

    What term describes the process by which cells acquire distinct identities during development?

    <p>Cell differentiation</p> Signup and view all the answers

    Which criterion refers to the statistical likelihood that the observed effect is not due to chance?

    <p>Statistical significance</p> Signup and view all the answers

    What experimental approach involves the study of embryos within tissue culture dishes?

    <p>In vitro experiments</p> Signup and view all the answers

    Which term describes the content of a cell to a particular fate?

    <p>Developmental commitment</p> Signup and view all the answers

    In experimental embryology, what term describes the process of assigning specific cell fates based on molecular cues?

    <p>Developmental commitment</p> Signup and view all the answers

    What experimental technique involves the direct delivery of DNA or RNA molecules into cells?

    <p>Electroporation</p> Signup and view all the answers

    More Like This

    Origin of Genes: Gene Duplication Causes
    12 questions
    Evolution by Gene Duplication
    16 questions
    Genetics Mutations and Duplication Quiz
    10 questions
    Use Quizgecko on...
    Browser
    Browser