I'm not 100% sure what the exact answer is to this, because lots of things could be said about what gametes need to do for reproduction.
I suppose since it says that it's combining with another cell, it's hinting at the fact that reproductive cells are haploid.
If this is multiple choice I would choose the choice that has to do with gametes being haploid.
A reproductive cell must differ from other normal body. The reproductive cell must Haploid because it will soon fuse with another reproductive cell to form a new individual.
The requires the union of two specialized cells, called gametes, each of which contains one set of chromosomes.
Thus, haploid is the answer.
To learn more about haploid click here:
https://brainly.com/question/7212380
