2nd OA Readiness Check — 2021 Exam Practice Tool Genetics, DNA, PCR & Mutation Q&A

2nd OA Readiness Check — 2021 Exam Practice Tool Genetics, DNA, PCR & Mutation Q&AA structured exam practice resource designed to prepare students for the 2nd OA (Objective Assessment). This readiness check mimics exam conditions and includes assessment‑style questions with verified answers and feedback. Key topics covered: - DNA & RNA basics: Complementary sequences, orientation (5’–3’), and base pairing rules. - Protein synthesis: Translating coding and template DNA strands into mRNA and amino acid sequences. - PCR reaction components: dNTPs, primers, DNA polymerase, and template DNA. - Genetics: Punnett square analysis for recessive inheritance (e.g., homozygous × heterozygous crosses). - Mutations: Identification of silent mutations and their impact on protein coding. Each question is paired with step‑by‑step feedback explaining the reasoning, making this tool ideal for biology, genetics, and molecular exam prep