5. In eukaryotes, the transcription initiation complex binds DNA at the a) GTF r

Question

5. In eukaryotes, the transcription initiation complex binds DNA at the a) GTF region b) GC box. c) CAAT box. d) TATA box Use the following information to answer questions 8 & 9: For a gene A, a geneticist studying a population of butterflies found the following genotypes: 108 AA butterflies 144 Aa butterflies 48 aa butterflies 8. What is the observed genotypic frequency of Aa individuals? a) 0.144 b) 0.72 c) 0.40 d) 0.48 What is the frequency of the a allele in the butterfly population? a) 0.16 b) 0.04 c) 0.40 d) 0.64 9.

Explanation / Answer

5)(d) In eukaryotes, the transcription initiation complex binds at the TATA box otherwise known as Goldberg-hogness,it works as a promoter sequence.

8)(d) Genotypic frequency of Aa would be 144/300 = 0.48

9)(c) The frequency of the a allele in the butterfly population is = 72+48/300 = 0.40

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