Karyogamy

As karyogamy is called the fusion of two nuclei of heterosexual to the zygote during fertilization. This leads to the unification of the two chromosome stocks.

In some fungi, there are particular: if the hose and stand mushrooms it comes after the first plasmogamy not yet karyogamy, but it is a dikaryotisches mycelium develops ( at a dikaryotic hypha sac fungi ), in which each cell has two cores; for karyogamy occurs usually only in the fruiting body maturity in the asci or basidia.

• Genetics