求问曼哈顿sc上的一道题～

IYANGLI

曼哈顿sc，92页。
voters want to elect a president who genuinely cares about the health care, the environment, and the travails of ordinary men and women, and who has the experience, wisdom, and strength of character required for the job.


中间，and 两边 who genuinely... 与 who has... 平行，但是不明白，为什么and前面有逗号，去掉逗号可以吗。
求大神解答么么大。