3. A frame shift mutation is a genetic mutation that is caused by the insertion or deletion of a specific number of nucleotides that shifts the reading frame of the shift mutation? sequence. The insertion or deletion of how many nucleotides would cause a frame

a.2 b.3 c.6 d.9

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

5. A piece of each chromosome has broken off and been reattached to the oth chromosome, resulting in an exchange. The process that occurs when a section a chromosome breaks off and reattaches to another chromosome is kno as
a. deletion
b. inversion
c. nondisjunction
d. translocation

6. What do you call the genetic mutation that causes a codon that should code specific amino acid to be changed into a stop codon ?
a. a chromosomal mutation.
b. a frame shift mutation.
c. a nonsense mutation
. d.a silent mutation.

7.A genetic mutation that does not result in a change in the amino acid sec of the resulting protein is called
a. a chromosomal mutation.
b. a frame shift mutation.
c.a nonsense mutation.
d.a silent mutation.

8.This is a mutation that causes a section of the chromosome to be broken a inserted backwards. This is known as a. deletion.
b. insertion.
c. inversion
d. translocation. ​