1. Mutations occur when the DNA does not copy itself correctly. Mutations are
a. usually not harmful or helpful
b. usually harmful
c. usually helpful
d. either harmful or helpful
2. Which of the following are not determined by the genes you inherit from your parents?
a. which hand you write with
b. whether your thumb is straight or curved
c. blood type
d.reading at an early age
3.Eye color is an example of an inherited trait. Where is the information about your eye color stored in each cell?
a. nucleus
b. cytoplasm
c. chloroplast
d. cell membrane
4.
When you look at a microscopic image of a cell, you notice that the nucleus is one of the larger organelles that you see. Why is the nucleus of a cell so large?