The picture is a cross section of a bone. A cross sectional view of bone. X points to the inner layer. Y points to the middle layer.

Which structures of the bone are indicated by the arrows?

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.