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.
If you have any questions about using your heat pump or the emergency heat setting, please call us at 1-800-521-6144 and an energy efficiency expert will be happy to speak with you. Diagram and some content courtesy of Pro Star Mechanical Technologies Ltd.