Question

difference of Plasmogamy and karyogamy?

Answer 1

Answer:

Plasmogamy vs Karyogamy Plasmogamy and karyogamy are two sequential stages of syngamy in fungi. Syngamy is a method of recombination, involved in the sexual reproduction of fungi. Plasmogamy is followed by karyogamy and karyogamy is followed by the mitotic division of the forming diploid nucleus. Plasmogamy in lower fungi occurs through the union of the two cytoplasms of fungal gametes. But in higher fungi, the two opposite mating types of the fungal thalli are also capable of fusing together, forming the diksryotic cell stages. Plasmogamy is immediately followed by karyogamy in lower fungi. In higher fungi, karyogamy is delayed for several generations, maintaining the dikaryotic stage of cells. The main difference between plasmogamy and karyogamy is that plasmogamy is the fusion of two hyphal protoplasts while karyogamy is the fusion of two haploid nuclei in fungi.

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Answer 2

Answer:

Karyogamy is the final step in the process of fusing together two haploid eukaryotic cells, and refers specifically to the fusion of the two nuclei. Before karyogamy, each haploid cell has one complete copy of the organism's genome.

Plasmogamy is a stage in the sexual reproduction of fungi, in which the cytoplasm of two parent cells (usually from the mycelia) fuses together without the fusion of nuclei, effectively bringing two haploid nuclei close together in the same cell.