Regarding Sexual reproduction in Fungi, which one of the following is correct?
Correct answer: B. Plasmogamy followed by Karyogamy
- A. Fusion of haploid nuclei and meiosis vary in different groups
- B. Plasmogamy followed by Karyogamy
- C. Karyogamy followed by Plasmogamy
- D. Karyogamy & Plasmogamy occur together
- E. None of the above
Explanation
In fungal sexual reproduction, plasmogamy refers to the fusion of the cytoplasm of two haploid fungal cells, which can be from the same individual (self-fusion) or different individuals (cross-fusion). This fusion results in the formation of a dikaryotic cell, which contains two genetically distinct haploid nuclei in a single cytoplasm. Following plasmogamy, karyogamy occurs. Karyogamy is the fusion of the haploid nuclei within the dikaryotic cell, resulting in the formation of a diploid nucleus. This diploid nucleus then undergoes meiosis, which is a process of cell division that reduces the chromosome number and produces haploid spores.
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