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what is made when a sperm cell combines with the polar nuclei?

Sagot :

Answer:

Explanation:Two of the nuclei (the polar nuclei) move to the center of the embryo sac and fuse together, forming a single, diploid central cell. This central cell later fuses with a sperm to form the triploid endosperm, which will ultimately provide nourishment for the developing embryo (analogous to yolk in animal eggs).

lvvies

Answer:

endosperm

Explanation:

The second fertilization results in the endosperm, which is a special tissue used to nourish the embryo.