Page 152 - Science Course 3 (Book 1)
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Mo4-L3b: How DNA Changes Affect Traits?
Key Concept SUMMARY
How DNA Changes Affect Traits? How DNA Changes Affect Traits?
How do changes in the sequence of DNA affect An organism’s nucleotide sequence can
traits? change through the deletion, insertion, or
substitution of nitrogen bases.
Mo4-L3: Vocabulary Review
Direction: Write the correct term in the boxes to the right of each definition. Then unscramble the letters
in the shaded boxes to spell a seventh term.
DNA mutation nucleotide replication
RNA transcription translation
1. a change in the nucleotide sequence of a gene
2. the copying of DNA
3. carries the code for making proteins from the nucleus to the cytoplasm
4. process that makes mRNA from DNA
5. nitrogen base + a sugar + a phosphate group
6. organism’s genetic material
7. When they are unscrambled, the letters from the shaded boxes spell ,
the process that uses RNA to make protein.
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