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.
Women's track spikes, shoes from adidas, Nike, asics, reebok, new balance, mizuno, saucony, high, long, triple, jump shoes, throw shoes, shot and discus,track spikes shoes. Track and Field Spikes for athletes at all levels! Track and Field Spikes are Instock! Phone Us at 515/277-4785 or 800/529-7684. Open Hours; Mon thru Thurs. 10-7, Fri.