A well designed experiment A. tests multiple varlables at once B. supports your hypothesis does not need multiple trials C. is controlled to only test one variable

Color blindedness is a sex-linked trait. if we could see the pedigree chart for several more generations of the family illustrated here, we would expect a) more males to be color blind. eliminate b) more females to be color blind. c) no females to ever be color blind. d) an equal number of males and females that are color blind.