Question

chromosome number of pollen grains,endosperm and zygote​

Answer 1

Answer:

Each of the three haploid nuclei in the germinated pollen grain must contain 12 chromosomes, and each of the 8 nuclei within the embryo sac contain 12 chromosmes. A triploid endosperm cell inside a seed must contain 36 chromosomes (3 x 12 = 36).

Explanation:

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Answer 2

Answer:

pollen grains has 12 chromosomes endosperm has 8 chromosomes and zygot has 46 chromosomes