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Sexual Reproduction in Biology
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Sexual Reproduction in Biology

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Questions and Answers

Which process involves the combination of reproductive cells from two individuals to form a unique offspring?

  • Self-fertilization
  • Cross-fertilization
  • Asexual reproduction
  • Sexual reproduction (correct)
  • Which type of animals are often hermaphroditic?

  • Invertebrates (correct)
  • Birds
  • Mammals
  • Reptiles
  • In the animal kingdom, what occurs when one individual has both male and female reproductive parts?

  • Asexual reproduction
  • Hermaphroditism (correct)
  • Self-fertilization
  • Cross-fertilization
  • What is the genetic basis for mammalian sex determination?

    <p>Presence of X and Y chromosomes</p> Signup and view all the answers

    What can be an adaptive advantage in unstable or unpredictable environments?

    <p>Sexual reproduction</p> Signup and view all the answers

    Which type of reproduction is common in animals that have limited mobility or are not motile?

    <p>Self-fertilization</p> Signup and view all the answers

    What is the term for the sex determination method where temperature during egg incubation determines the sex of individuals?

    <p>Temperature-dependent sex determination</p> Signup and view all the answers

    Which system is used for sex determination in some fish, crustaceans, and reptiles?

    <p>ZW system</p> Signup and view all the answers

    Which method of reproduction produces genetically identical offspring?

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

    In avian sex determination, which chromosome combination results in a male?

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

    What does protogyny refer to in terms of sex change in some species?

    <p>Changing from female to male</p> Signup and view all the answers

    In which species do individuals change their sex during their lives, alternating between male and female?

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

    What is the term for the release of sperm and eggs into the environment for reproduction?

    <p>External fertilization</p> Signup and view all the answers

    What determines the sex of some crocodiles and turtles during critical periods of egg development?

    <p>Temperature during egg incubation</p> Signup and view all the answers

    What is the term for the method of asexual reproduction in which an individual grows a bud that detaches to form a new organism?

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

    Which system is found in some insects and plants for sex determination?

    <p>XY system</p> Signup and view all the answers

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