asexual sexual reproduction

• Reproduction


  Producing more of the same type of organism
• Sexual reproduction


  1. Two parents each providing a reproductive cell

  2. Reproductive cells combine

  3. New unique cell formed

  4. New organism develops
• Asexual reproduction

  • Requires only one parent
  • Offspring are genetic clones of parent
• Gametes


  Reproductive cells (egg and sperm)
• Fertilization

  Fusion of egg and sperm cells to form a new cell
• Zygote


  New cell formed from fusion of gametes
• Flowering plant reproduction


  1. Male gametes in pollen grains

  2. Female gametes in ovules

  3. Fertilized ovule develops into seed

  4. Seed develops into new plant
• Asexual reproduction in plants

  • Runners
  • Tubers
  • Bulbs
• Runners


  Horizontal stems that can form new vertical stems and roots
• Tubers

  Modified plant stems or roots that store food
• Bulbs


  Modified stems that store food
• Artificial asexual reproduction in plants

  • Cuttings
  • Micro propagation
• Asexual reproduction in other organisms


  • Binary fission in yeasts
  • Budding in yeasts
  • Starfish removing body parts