Multiple choice 2n male plants x 4n female plants produce Embryo - 2n and Endosperm - 2n Embryo - 2n and Endosperm - 5n Embryo - 3n and Endosperm - 4n Embryo - 3n and Endosperm - 5n Reveal answer Fill a bubble to check yourself D Correct answer Explanation Male 2n -> gamete n. Female 4n -> egg 2n, polar nuclei 2n+2n. Embryo = 2n (egg) + n (sperm) = 3n. Endosperm = 2n+2n (polar) + n (sperm) = 5n.