4. Which order below correctly represents reproductive events occurring in plants?
a. diploid cells undergo meiosis, haploid gametes fuse, diploid zygote undergoes mitosis
b. diploid cells undergo meiosis, haploid cells undergo mitosis, haploid gametes fuse, diploid zygote
undergoes mitosis
c. haploid cells fuse, diploid zygote undergoes meiosis, haploid meiotic products undergo mitosis