Answer:
A-32 B.63 C. Meiosis
Step-by-step explanation:
A. Gametes has haploid [half] number of chromosomes.
B. The gametes from each organism has haploid number of chromosomes and during gametogenesis this gametes fuse to form 63 chromosome which is for the new organism-the mule.
C. Meiosis is a form of cell division in which the parent cell divides to daughter cells which have half reduced number of chromosomes.