Gametes from two plant species combine and produce a haploid zygote, and that zygote develops into a haploid, hybrid plant. why is the hybrid plant sterile? select all that apply.

a. the gametes produced cannot combine with the gametes of other plants.
b. the cells do not contain homologous chromosomes.
c. the plant cannot grow and reproduce asexually.
d. mitosis cannot occur. meiosis cannot occur.