Mutations

1) What do you call the change or error in the Gene?

• A) Genetic Engineering

• B) Mutagen

• C) Mutant

• D) Mutation

2) What is the term used to describe the factors that affect error or alterations in based sequence?

• A) Genetic Engineering

• B) Mutagen

• C) Mutant

• D) Mutation

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 sequence.The insertion or deletion of how many nucleotides would cause a frame shift mutation?

• 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 organism reproduces

• C) By changing the organism's behavior

• D) By producing random changes in an organisms genetic code

5. A piece of each chromosome has broken off and been reattached to the other chromosome, resulting in an exchange. The process that occurs when a section of a chromosome breaks off and reattaches to another chromosome is known as_______.

• A) Deletion

• B) Inversion

• C) Nondisjunction

• D) Translocation

6. What do you call the genetic mutation that causes a codon that should code for a 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 sequence 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 out and reinserted backwards. This is known as _______.

• A) Deletion

• B) Insertion

• C) Inversion

• D) Tranlocation

9. Persons with Down syndrome usually have ______ copies of chromosome 21.

• A) No

• B) Three

• C) Two

• D) One

10. If a segment of a chromosome is present several times more than normal due to unequal crossing-over,

it is called ________.

• A) Duplication

• B) A deletion

• C) An inversion

• D) A translocation