Reproduction 1

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1

Reproduction

  • The process by which new individuals of a species are produced and genetic material is passed down from generation to generation
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Asexual reproduction

  • Production of offspring whose genes come from one parent
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Binary Fission

One type of asexual reproduction

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What happens in binary fission

  • DNA of parent cell duplicates itself
  • Cytoplasm divides (splits) to create two daughter cells
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  • Genotype

DNA sequence

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Advantages of asexual reproduction

  • No need to find mates
  • Can produce many offspring in a short time
  • Perpetuates successful genotypes – no change from generation to generation (this is advantageous if there is a stable, favourable environment)
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What are some types of asexual reproduction?

  • Fission
  • Budding
  • Fragmentation/Regeneration
  • Parthenogenesis
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Fission

separation of parent into 2 individuals of equal size

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Budding

new individual splits from existing one

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Fragmentation/Regeneration

breaking of body into several pieces, each developing into an adult

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Parthenogenesis

development of egg without fertilization