Question

What is karyogamy?

Answer 1

Karyogamy:

1. Karyogamy is the last phase in the process of fusing two haploid eukaryotic cells together during fertilization, and it refers to the fusion of two nuclei in particular.
2. Each haploid cell possesses one full copy of the organism's DNA before karyogamy.
3. In fungi, the process of sexual reproduction consists of 3 steps: plasmogamy, and karyogamy which is followed by meiosis.
4. Karyogamy occurs in eukaryotic cells only and it helps in the formation of new daughter cells.
5. In primitive fungi, karyogamy is instantly followed by plasmogamy while in higher groups it is delayed.