IB Biology HL D1.2.13 Hl Initiation of Transcription At Promoter Topic Practice

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Study D1.2.13 (HL)—Initiation of transcription at promoter conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

Question 1

[Maximum number: 2]

The diagram shows the tandem repeats on two different chromosomes for a couple and their children. The number of tandem repeats of the sequence AGAT is shown on chromosome 5 (Chr 5) and the sequence of AGAA on chromosome 18 (Chr 18). One child is adopted.

Figure for Question 1 — IB Biology HL

Explain the function of a promoter in DNA.

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