How do mutations lead to genetic variation? a. by producing random changes in an organism's genetic code b. by changing the organism's behavior c. by changing the organism's appearance d. by changing the way that the organism reproduces

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.

How does the human body lever work?

What is the function of the nucleus in the euglena cells you observed?