Cystic fibrosis is an autosomal recessive condition. John has a brother with cystic fibrosis, but there is no other history of the condition in his family. His wife's mother also suffered from this condition. John's wife does not have cystic fibrosis. What is the chance that they will have a child with this condition?

Hand washing is an important behavior that can cut down your chances of becoming sick with a communicable disease. select the best answer from the choices provided. t f

Arm circles are often effective dynamic stretches for swimmers because they

Which of the following statements is true about body composition? a. body composition is the percentage of fat to lean body mass. b. body composition is a measure of one's body weight. c. body composition is a measure of one's essential body fat. d. body composition is not a good indicator of overall health. select the best answer from the choices provided. a