The bracken fern sporophyte has 52 chromosomes. How many chromosomes does he have in sporangia cells, in mature spores, and in germ cells? What division leads to the formation of these cells? What cells do they form from?
1) Sporangia cells – are formed from leaf cells (or vaya cells), they are formed by mitosis, they have 52 chromosomes.
2) Mature spores are formed by meiosis from sporangium cells – they have 26 chromosomes.
3) The growth is formed by dividing mitosis during germination of spores, it has 26 chromosomes.
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