A mutation occurs within a non-coding region of a cell's DNA. Which of the following describes a likely effect of this mutation?
The sequence of amino acids in the translated protein is altered.
The folding and final three-dimensional shape of a protein is mutated.
The binding of RNA polymerase or transcription factors is affected, changing gene expression.
The codons on the mRNA are changed, causing a nonsense mutation.
97 exam-style questions on OCR GCSE Biology 5.1 Inheritance, covering 5.1.1 The genome, 5.1.2 Environment and phenotype, 5.1.3 Variants and mutations, 5.1.4 How genetic variants influence phenotype, 5.1.5 Asexual and sexual reproduction, 5.1.6 Haploid and diploid, 5.1.7 Meiotic cell division, 5.1.8 Single gene inheritance, 5.1.9 Predicting single gene crosses, 5.1.10 Sex determination, 5.1.11 Multiple gene inheritance, and 5.1.12 Development of our understanding of genetics. Each one has a worked solution and a mark scheme showing where the marks go.