One-to-one SBI3U tutoring for Grade 11 students following the Ontario curriculum. Bring your course outline and a question you found difficult: we connect the underlying ideas, show a method and help you practise it independently.
Biology, University Preparation (SBI3U) is listed in Ontario’s course catalogue at Grade 11. Ask your school for the current course outline and assessment expectations, then share them with your tutor.
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SBI3U: topics to discuss
Diversity of living things, evolution, genetics, animal systems and plant structure or function. Link a structure to a function and use evidence when explaining an evolutionary or biological pattern. Inheritance questions begin with clearly defined alleles and parent genotypes. Confirm the current topic sequence and full coverage using your school’s outline and the official source below.
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Building confidence in science
Biological explanations connect a structure or process to its function. Use the question's evidence and distinguish a mechanism from a simple description of a pattern. Lessons can alternate a modelled example, a question attempted together and an independent attempt so the tutor can see where understanding changes.
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Use school feedback to guide revision
Bring a recent question, marked solution or topic checklist. Explain where you got stuck. The next practice task should check that particular skill before introducing more complexity. Tutoring supports learning; assessed submissions remain the student’s own work.
Understand it. Try it. Review it.
Put your science learning into practice.
Worked example · Cells, inheritance and evidence
Two heterozygous parents have genotype Bb. What is the chance of bb offspring?
Each parent can pass B or b.
The combinations are BB, Bb, Bb and bb.
One of four combinations is bb: probability 1/4 for each offspring under this model.
Common mistakes to check
Assuming dominant means common
Changing more than one experimental variable at once
Preview the worksheet 