Q. If a diploid female plant and a tetraploid male plant are crossed, the ploidy of endosperm shall be
Solution:
Diploid female plant will have 2 polar nuclei (each haploid) with which one male gamete form tetraploid male plant (male gamete of tetraploid plant will be diploid) fuses, making endosperm. So endosperm will be tetraploid
