What chromosome set is characteristic for cells of an eight-nucleus germinal sac and germinal kidney of a wheat seed

What chromosome set is characteristic for cells of an eight-nucleus germinal sac and germinal kidney of a wheat seed. Explain from what source cells and as a result of what division they are formed.

1) eight-nucleus germinal sac haploid cells – n;
2) in the cells of the germinal kidney, the diploid set of chromosomes is 2n;
3) germinal kidney cells develop from the zygote as a result of mitosis;
4) the cells of the eight-nucleus germinal sac develop from the female spores by mitosis.

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