Pretend human eye color is determined by a single gene, with brown eyes (b) being dominant over blue (b). a brown-eyed man marries a blue-eyed woman, and they have three children. two of the children are brown-eyed, and one is blue-eyed. what is the probability their fourth child will have the genotype bb? (2 points)
a. 100%
b. 75%
c. 50%
d. 25%

If bp readings are consistently 145 mm hg/99 mm hg over a period of time, the patient likely has a. prehypertension. b. normal bp. c. hypertension. d. hypotension.

During his workout yesterday, anthony pushed himself by lifting heavier weights. today he is feeling good, but his muscles are sore. what principle is at work in this situation? a. specificity b. progression c. overload d. reversibility

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.