Gce Model Questions Vol1 2019 Biology Question 22
Practice objective / multiple choice question 22 from the 2019 Gce Model Questions Vol1 Biology examination.
Two species share a homologous gene that is 1500 base pairs long. Sequencing shows a 12 % nucleotide difference between the species. The mutation rate for this gene is estimated at 2\times10^{-9} substitutions per site per year. Assuming the differences accumulated equally in both lineages, estimate the time (in millions of years) since the two species diverged.
Answer Options
About This Question
This is Gce Model Questions Vol1 2019 Biology Question 22. It is one of the objective questions from the 2019 Gce Model Questions Vol1 Biology examination.
Difficulty level: Medium .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.