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B
Potential true and potential cleavage polyembryony
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C
Adventive polyembryony
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D
Psendopolymbryony
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Solution
The correct option is A Potential true polyembryony In most gymnosperms, a common feature in embryogeny is polyembryony. It is the formation of several embryos in a single gametophyte in young seed. Usually from fertilization of more than one archegonia or from cleavage polyembryony where cells of developing embryo become separated and each give rise to a new (usually 4) embryo. The mature seed normally has only one embryo.