When two nuclei fuse together forming one nucleus during cell fusion, it is known as:

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  1. synkaryon
  2. eukaryon
  3. heterokaryon
  4. syncytium

Answer (Detailed Solution Below)

Option 1 : synkaryon
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The correct answer is synkaryon

Key Points

  • A synkaryon is the result of the fusion of two nuclei within a cell.
  • During the process of cell fusion, the nuclei of the two cells combine to form a single nucleus called a synkaryon.
  • This process is essential in various biological phenomena, including fertilization and certain types of cell hybridization.

Additional Information

  • The term eukaryon refers to a cell with a true nucleus, which is characteristic of all eukaryotic cells.
  • A heterokaryon is a cell that contains multiple nuclei from different parental cells.
  • A syncytium is a multinucleated cell that can result from multiple cell fusions, where the cytoplasm of the fused cells is shared, but the nuclei remain distinct.
  • Cell fusion and the formation of synkaryons are important in research for creating hybrid cells, studying gene expression, and understanding developmental biology.
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