Question 10
Match the DNA key terms to their correct definition.
Column A
1.
genetic material:
genetic material
2.
adenine:
adenine
3.
base pairing:
base pairing
4.
cytosine:
cytosine
5.
guanine:
guanine
6.
thymine:
thymine
7.
frameshift mutation:
frameshift mutation
8.
mutagen:
mutagen
9.
mutation:
mutation
10.
point mutation:
point mutation
11.
polyploidy:
polyploidy
Column B
a.chemical or physical agents in the environment that interact with DNA and may cause a mutation
b.substance containing the genetic information of a cell
c.condition in which an organism has extra sets of chromosomes
d.one of four nitrogenous bases found in DNA and RNA; pairs with guanine
e.change in the genetic material of a cell
f.principle that bonds in DNA can form only between adenine and thymine and between guanine and cytosine
g.one of four nitrogenous bases found in DNA and RNA; pairs with cytosine
h.nitrogenous base found in DNA but not in RNA
i.gene mutation in which a single base pair in DNA has been changed
j.mutation that shifts the “reading frame” of the genetic message by inserting or deleting a nucleotide
k.one of four nitrogenous bases found in DNA and RNA; pairs with thymine or uracil
1. b. genetic material: substance containing the genetic information of a cell
2. d. adenine: one of four nitrogenous bases found in DNA and RNA; pairs with guanine
3. f. base pairing: principle that bonds in DNA can form only between adenine and thymine and between guanine and cytosine
4. g. cytosine: one of four nitrogenous bases found in DNA and RNA; pairs with guanine
5. e. guanine: one of four nitrogenous bases found in DNA and RNA; pairs with cytosine
6. k. thymine: one of four nitrogenous bases found in DNA and RNA; pairs with thymine or uracil
7. j. frameshift mutation: mutation that shifts the “reading frame” of the genetic message by inserting or deleting a nucleotide
8. a. mutagen: chemical or physical agents in the environment that interact with DNA and may cause a mutation
9. c. mutation: change in the genetic material of a cell
10. i. point mutation: gene mutation in which a single base pair in DNA has been changed
11. d. polyploidy: condition in which an organism has extra sets of chromosomes