Which of the following embryosac is 4 nucleated?
A)polygonum type
B)Oenothera type
C)Allium type
D)Endymion type
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polygonum type is a embryosac which is 4 nucleated.
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Here only the oenothera type of the embryo sac is of 4 nucleated in which the functional megaspore undergoes two successive division to form 4 nucleate embryo.
While in the polygonum type there is the 7 celled 8 nucleate structure in which the monosporic embryosac is 4 nucleate.
The allium type has only two nucleate embryosac.
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