1.
adenine:
adenine
2.
base pairing:
base pairing
3.
cytosine:
cytosine
4.
guanine:
guanine
5.
thymine:
thymine
6.
mutagen:
mutagen
7.
frameshift mutation:
frameshift mutation
8.
point mutation:
point mutation
9.
chromosomal mutation:
chromosomal mutation
Match the DNA key terms to their correct definition.
one of four nitrogenous bases found in DNA and RNA; pairs with thymine or uracil
b.gene mutation in which a single base pair in DNA has been changed
c.one of four nitrogenous bases found in DNA and RNA; pairs with guanine
d.nitrogenous base found in DNA but not in RNA
e.a change in number of chromosomes or a large amount of DNA in an organism
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.chemical or physical agents in the environment that interact with DNA and may cause a mutation
i.mutation that shifts the “reading frame” of the genetic message by inserting or deleting a nucleotide
1. adenine: one of four nitrogenous bases found in DNA and RNA; pairs with thymine or uracil
2. base pairing: principle that bonds in DNA can form only between adenine and thymine and between guanine and cytosine
3. cytosine: one of four nitrogenous bases found in DNA and RNA; pairs with guanine
4. guanine: one of four nitrogenous bases found in DNA and RNA; pairs with cytosine
5. thymine: one of four nitrogenous bases found in DNA and RNA; pairs with adenine
6. mutagen: chemical or physical agents in the environment that interact with DNA and may cause a mutation
7. frameshift mutation: mutation that shifts the “reading frame” of the genetic message by inserting or deleting a nucleotide
8. point mutation: gene mutation in which a single base pair in DNA has been changed
9. chromosomal mutation: a change in number of chromosomes or a large amount of DNA in an organism