Sexual Reproduction - fusion of the nuclei of 2 gametes (sex cells) to form a zygote (fertilized egg cell) and the production of offspring that are genetically different from each other

Fertilization - Fusion of gamete nuclei

Gamete -

  1. Sex cells
  2. Haploid [CONTAINS one set of UNPAIRED chromosomes] [23 instead of 46]
  3. This is because when fusion happens the chromosome number becomes 46 [DIPLOID]

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Advantages Disadvantages
Increased variation Takes time and energy to find mates
Better adaptability Difficult for isolated members to reproduce
Diseases are less likely to affect population
More colonization of other lands
Less competition