21- In the following pedigree a rare single gene disease is transmitted. What is the chance that individual IV-1 would be affected? First determine the mode of inheritance of the disease.

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?