Answers. Best Answer: take the two laces, cross them, put one lace under the cross, pull. take laces again make laces into loop (make an O shape) cross loops put 1 loop under cross, pull, being careful to pull on sides connected to 1st knot, so as not to undo loops. you're done. Source(s):
Beta thalassemia genes are more widespread -- found in Africa, the Middle East, India, Southeast Asia, and around the Mediterranean. Someone with only one of the beta genes will have beta thalassemia trait, a mild anemia in which the red cells are smaller than normal.
This type of anemia can be caused by: 1  An iron-poor diet, especially in infants, children, teens, vegans, and vegetarians. 2  The metabolic demands of pregnancy and breastfeeding that deplete a woman's iron stores. 3  Menstruation. Frequent blood donation.  Endurance training.