The X and Y chromosomes, also known as the sex chromosomes, determine the biological sex of an individual: females inherit an X chromosome from the father for a XX genotype, while males inherit a Y chromosome from the father for a XY genotype (mothers only pass on X chromosomes).
Virginia Department of Taxation Customer Support Service Phone Number The customer support phone number of Virginia Department of Taxation is +1-(804) 367-8031, (804) 367-2486, (804) 440-5100 (Click phone number to call).
Vehicle Emissions Inspection FAQ. If you can't find the answer to your emissions inspection question here, call the Air Check Virginia staff during normal business hours. For information about vehicle registration, please call the Virginia Department of Motor Vehicles at 804-497-7100 or visit their website.