Best Answer: The final chromosomes in a person's makeup are the sex determiner. Most of the time, there are two. In females, it is XX and males it is XY. Y is a male-specific chromosome; carrying the gene which activates growth of testicles instead of ovaries.
Phone Number of Rack Room Shoes is +1 704-547-9200 / 800.306.9309 . Rack Room Shoes is Footwear Company centered in North Caroline, United States. Rack Room Shoes was established in 1920 by Phil Levinson. After him, Rack Room Shoes was operated and succeeded by his son-in-law, Mort Lerner.
1 Plus, get extra discounts with VIP-only sales, events and more! 2  Your VIP Hotline. 3  Get bumped to the front of the line when you call-in your order and enjoy out-of-this-world care from your very best Fit Experts. 4  Call 800.543.7309. You're 100% guaranteed the best price on top running shoes. 2  If you find an identical shoe for less than your VIP Family price, we'll match it! 3  No ifs, ands or buts.