13. Is there any chromosomal abnormality in the fetus? If there isn’t, skip Q14 and Q15.

i think it is true in my reasonment ..

a- all cells come from pre-existing cells

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.