Neurons are categorized by the A
direction in which they carry impulses.

B
amount of metabolic activity that takes place.

C
number of dendrites that branch out.

D
number of impulses that they carry.

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.