Biology

Biology, 14.10.2019 22:50, user11883661

What might be the effect of a mutation in the promoter sequence of a gene

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Biology, 22.06.2019 20:50, Jreye77

Suppose a point mutation, such as a change from an adenine to a guanine, occurs in the genome of a human sperm cell. the mutation could occur in any region of a gene. the effect of the mutation on the phenotype of the offspring will be determined by where the mutation occurs and its effect on the final gene product. in which of the following scenarios could the mutation alter the phenotype of the offspring? select all of the scenarios that apply the mutation occurs in the promoter and affects the rate of gene transcription. the mutation results in a new, dominant allele the mutation occurs in a portion of an intron not responsible for exon splicing the mutation occurs in a gene that controls development and alters differentiation of a cell type during development. the mutation occurs in a codon and alters the function of the final protein e mutation occurs in a codon, and the amino acid sequence of the final protein is unchanged.

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Biology, 23.09.2019 00:30, shy5732

What is the relationship between a mutation and a gene? a. a mutation changes the sequence of dna bases of a gene. b. a mutation creates new genes from the same dna segment. c. a gene causes a mutation when it manufactures the wrong protein. d. a gene results in a mutation when it produces a change in the type of mrna. for

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Biology, 14.11.2019 06:31, aletadaboss

You have generated mutations in the dna sequence of a eukaryotic promoter at its tata box, resulting in severely reduced transcription of the downstream gene. you have identified a suppressor mutation at an independent gene locus that restores transcription of this gene. this suppressor mutation is most likely a dna sequence that encodes:

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Biology, 19.11.2019 06:31, cool8844

You have identified a mutation in a gene that seems to decrease transcription of another gene 2000 bp away from the mutation site. what regulatory sequence, which may be found within another gene, has likely been mutated in this instance? a. homeodomain motif.b. enhancer sequence.c. proximal elements.d. upstream activator. e. sequence core promoter.

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