Awoman heterozygous for color blindness (an x-linked recessive allele) marries a man with normal color vision. what is the probability that their first child will be color blind?

Which of the following defines scoliosis? a. a posture disorder characterized by the shoulders being rounded and the back hunched b. a posture disorder in which the spine curves up the back like a snake c. a posture disorder characterized by excessive curvature or arch in the lower back d. none of the above