A man has 6 fingers on each hand and 6 toes on each foot. His wife and their daughter have the typical number of digits. Knowing that extra digits is a dominate trait, what fraction of this couple's children would be expected to have extra digits?

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.