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

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

<p>Sexual reproduction (B)</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 (A)</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 (B)</p> Signup and view all the answers

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

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

Which method of reproduction produces genetically identical offspring?

<p>Fission (A)</p> Signup and view all the answers

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

<p>ZZ (A)</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 (B)</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 (A)</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 (D)</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 (B)</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 (C)</p> Signup and view all the answers

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

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

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