Genetics and Variation — JAMB Biology Past Questions

Genetics and Variation is one topic inside the JAMB Biology syllabus, and drilling it on its own is usually faster than revising the whole subject again. Below: which JAMB years have examined it, then real Genetics and Variation questions with worked answers.

When JAMB examined Genetics and Variation

Genetics and Variation questions appear in our bank for the JAMB years below. This is taken from the questions themselves, not from a syllabus outline — so if a year is listed, this topic was genuinely examined that year.

A topic that keeps reappearing is a topic JAMB keeps testing. Newer years matter most, because question style drifts.

Try Genetics and Variation questions

Real Biology questions tagged to Genetics and Variation. The first is worked through completely so you can see how our explanations read — the rest you can attempt now and check inside the app.

Biology · Genetics and Variation Sample 1 of 3

........ of a Mendelian population is the sum total of the genes within the reproductive cells of all members.

  • A Gene pool
  • B Genetic drift
  • C Genotype
  • D Genetic code

Answer: A

The gene pool refers to the complete set of alleles present in the reproductive cells of a population.

Biology · Genetics and Variation Sample 2 of 3

Sickle-cell anaemia is a:

  • A Genetically modified disease
  • B Nutritionally deficient disease
  • C Biotechnological disease
  • D Genetic disorder

Answer and full explanation are inside the app.

Check the answer
Biology · Genetics and Variation Sample 3 of 3

The term genome may simply be described as:

  • A Total complement of genes in a cell
  • B Total number of chromosomes in a cell
  • C Total number of genes and chromosomes in a cell
  • D Total number of nucleic acids in a cell

Answer and full explanation are inside the app.

Check the answer

Drill Genetics and Variation until it stops costing you marks

Filter Biology practice to Genetics and Variation alone, work through it with worked explanations, and let the analytics show you when it has actually stuck. Free to start.

Genetics and Variation in JAMB Biology: common questions

Are Genetics and Variation questions free?

Yes. Create a free account and every Biology question tagged to Genetics and Variation is available with a worked explanation. Past questions are not paywalled.

Is Genetics and Variation really examined?

Yes. Genetics and Variation appears in our bank across 9 JAMB years, taken from the questions themselves rather than a syllabus outline.

Can I practise Genetics and Variation on its own?

Yes. JambUp lets you filter Biology questions to a single topic, so you can drill Genetics and Variation until it stops costing you marks, then move on to the next weak area.