How are viruses different from bacteria
bacteria are heterotrophic while viruses are autotrophic.
bacteria are living organisms; viruses are not.
bacteria have a membrane bound nucleus while viruses do not.
bacteria are multicellular; viruses are single cells

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.