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US Common Core · Common Core · US Biology

Genetics and Heredity
Practice Questions

8 US Common Core Common Core US Biology questions on Genetics and Heredity, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Genetics and Heredity

Question 1 · 1 mark · Difficulty 1/3

What is a genotype?

  1. The number of chromosomes
  2. A type of mutation
  3. The physical appearance
  4. The genetic makeup of an organism (the alleles it carries)
Show answer & explanation
✓ Answer: DThe genetic makeup of an organism (the alleles it carries)
Genotype is the set of alleles an organism has (e.g. BB, Bb, bb). Phenotype is the observable trait that results from the genotype and environment.
Question 2 · 1 mark · Difficulty 1/3

What did Charles Darwin propose?

  1. Evolution happens overnight
  2. Organisms are created in their current form
  3. Species evolve over time through natural selection
  4. All organisms are identical
Show answer & explanation
✓ Answer: CSpecies evolve over time through natural selection
Darwin's theory of evolution by natural selection: organisms with traits better suited to their environment survive, reproduce, and pass on those traits — "survival of the fittest."
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20 questions · 25 min · free

US Common Core Common Core US Biology: Genetics and Heredity FAQ

Is Kramizo free for US Common Core Common Core students preparing for US Biology?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Genetics and Heredity practice with other US Biology topics or even switch to a totally different US Common Core subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Genetics and Heredity questions aligned to the official US Common Core Common Core US Biology syllabus?
Every question is written against the published US Common Core Common Core US Biology specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real US Common Core paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from US Common Core.
How is Genetics and Heredity typically tested on US Common Core Common Core US Biology papers?
Genetics and Heredity appears across multiple question types on real US Common Core Common Core US Biology papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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