Although Transposable Elements and Simple Tandem Repeats (STRs)are Both Repetitive

question 21

Multiple Choice

Although transposable elements and simple tandem repeats (STRs) are both repetitive DNAs,they differ in that _____.

• A)STRs occur within exons;transposable elements occur within introns
• B)STRs occur within introns;transposable elements occur within exons
• C)the repeated unit in STRs is clustered one after another;transposable element repeats are scattered throughout the genome
• D)the repeated unit in STRs is much larger than the repeated unit of transposable elements
• E)variation in STR repeat number comes from STR movement in the genome;variation in transposable element repeat number comes from errors in DNA replication

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