Life cycle of a fern scenario hybrid 1- the sperm in the, Ask an Expert

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Life cycle of a fern scenario: Hybrid 1- the sperm in the antheridium has 8 chromosomes; dominant gene 'A' is on one of the chromosomes that produce large sporophyte fronds. Hybrid 2 - egg has 8 chromosomes with recessive gene 'a' that produces small sporophyte fronds. If fertilization took place between both hybrids, how many chromosomes would there be and what would be the genotypes of resulting structures in the fern's life cycle?

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