Choose the layers that are permeable and impermeable ? 1. layer of loose soil

2. layer of sand

3. layer of gravel

4. layer of hard clay

5. solid rock

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.