Ageologist finds a large rock containing a seashell. what does this tell you about the area at the time the rock was formed? a. the area was muddy and wet. b. the area was hot and tropical. c. the area was covered by water. d. the area was snowy and cold.

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.