Sexual Reproduction in Living Organisms
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Questions and Answers

What is reproduction?

  • The process of consuming food
  • The process of making offspring (correct)
  • The process of sleeping
  • The process of growing in size

Which type of reproduction requires two parents?

  • Regeneration reproduction
  • Sexual reproduction (correct)
  • Asexual reproduction
  • Budding reproduction

What is the main difference between asexual and sexual reproduction?

  • Number of parents involved
  • Time taken for reproduction
  • Offspring appearance
  • Genetic uniqueness of offspring (correct)

In asexual reproduction, offspring are:

<p>Genetically identical to the parent (A)</p> Signup and view all the answers

Which cells come together in sexual reproduction?

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

What do gametes contain?

<p>Half the number of chromosomes of the organism (C)</p> Signup and view all the answers

Why are offspring genetically unique in sexual reproduction?

<p>They get a mix of genes from both parents (C)</p> Signup and view all the answers

What is the main reason why gametes (sperm and egg) contain half the number of chromosomes compared to other cells in the body?

<p>They develop a unique genetic makeup through meiosis. (A)</p> Signup and view all the answers

During fertilization, how many chromosomes does a fertilized egg contain?

<p>46 chromosomes (B)</p> Signup and view all the answers

Which process is responsible for reducing the number of chromosomes in gametes to 23?

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

What distinguishes gametes from other cells in terms of genetic makeup?

<p>They have their own unique genetic makeup. (B)</p> Signup and view all the answers

Which type of fertilization is observed in species like frogs and most fish?

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

How long does it typically take for a puppy to develop inside the mother dog before birth?

<p>About 2 months (A)</p> Signup and view all the answers

What happens when a female fish deposits her eggs into the water during reproduction?

<p>The male fish swims over the eggs releasing sperm for fertilization. (B)</p> Signup and view all the answers

What is the specific term for the process when an egg and sperm come together to form a fertilized egg?

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

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