1. The right answer is 13 chromosomes.
Reproductive cell, male or female, whose nucleus contains only one chromosome of each pair (they are said to be haploid n = 13) and which unites with the gamete of the opposite sex (fertilization) to give birth to an egg (zygote 2n = 26 ) diploid resulting from the association of the two gametes with each his half of the genetic capital.
2. The process of creating a new flower is called reproduction.
Human reproduction is the process by which a man and a woman engender a new individual. It is a method of sexual reproduction.
Sexual reproduction requires:
* Cells carrying parental genes, gametes: eggs and spermatozoa generated by meiosis.
* The encounter between male and female gametes: fertilization.