Natural Parthenogenesis:
- In certain animals, parthenogenesis occurs regularly, constantly and naturally in their life cycles and is known as the natural parthenogenesis.
- Certain insects have no sexual phase and no males.
- They depend exclusively on the parthenogenesis for self-reproduction.
- This type of parthenogenesis is known as the complete parthenogenesis or obligatory parthenogenesis.
- The life cycle of certain insects includes two generations, the sexual generation, and parthenogenetic generation, both of which alternate to each other.
- In such cases, the diploid eggs produce females and the unfertilized eggs produce males.
- This type of parthenogenesis is known as partial or incomplete or cyclic parthenogenesis.
Parthenogenesis is the development of an individual from an unfertilized egg. In honey bees drones develop parthenogenetically.
Hence, the correct answer is option b.
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