Red-green color blindness is caused by an x-linked recessive gene. in a family, the mother is a carrier of this gene while the father does not have the gene. what are the possible effects on their children? half of the daughters are normal and half of the daughters are color-blind. half of the boys are normal and half of the boys are color-blind. half of the boys are color-blind and half of the girls are color-blind.

Rachel wants to improve her body composition by reducing her bmi. she swims with her friends after school two days a week and eats a well-balanced diet. what else should she do to ensure that she properly applies all the necessary fitt principles in her plan? a. she should add more cardiovascular training and weight training to her exercise routine and eat several low-calorie meals throughout the day. b. she should increase her swimming workouts to five days a week and eat a high-calorie diet that equals 2,500 calories. c. she should add a few days of weight training to her exercise routine and consume 4,000 calories a day. d. she should eat a high-protein, low-carbohydrate diet and add five days of weight training to her exercise routine. select the best answer from the choices provided. a b c d mark this and return