Protein clumps as memory: Yeast cells are able to form a memory through an aggregate

Yeast has a somewhat complicated love life: on the one hand, a mother cell can produce genetically identical daughter cells through mitosis (cell division); on the other hand, yeast cells, who exist in two different mating types, are able to fuse with cells of the other mating type, thereby combining two different sets of genes. Two yeast cells with a single chromosome set each become a so-called yeast zygote with two sets of chromosomes.

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