Gce Model Questions Vol1 2024 Biology Question 49
Practice objective / multiple choice question 49 from the 2024 Gce Model Questions Vol1 Biology examination.
Two beetle species have a mitochondrial gene of 1500 bp. Sequence comparison shows 45 nucleotide differences. The mutation rate is estimated at 2×10^{-8} substitutions per site per year. Assuming a molecular clock and that differences are accumulated independently in each lineage, estimate the time since they diverged. Give your answer in million years (Ma), rounded to one decimal place.
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This is Gce Model Questions Vol1 2024 Biology Question 49. It is one of the objective questions from the 2024 Gce Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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