Question

When a cross is made between angiospermic tetraploid female and a hexaploid male , what is the ploidy of the endosperm and embryo

Answer 1

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When the tetraploid male plant forms gametes through meiosis, the pollens formed are diploid in nature. The ovum from the hexaploid female parent will be triploid in nature. When these gametes fuse together, the offspring thus formed, or the embryo, is generally pentaploid.