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IGCSE · Cambridge (CIE) · 0970

Define asexual reproduction using parent and offspring links

Connect one parent with genetically identical offspring.

Asexual reproduction pathway · 0970 (9–1) · 16.1
Exam scope and assessment notes

Core and Extended · Biology 0970, 2026–2028. Use the stated specimen features and evidence. Diagrams are schematic. Written practice is self-checked; human subject-teacher review, supervised practical competence and cumulative assessment remain pending. Cambridge states that IGCSE 0970 has the same subject content as IGCSE 0610, with 9–1 grading. This StudyForA pathway maps the 2026–2028 syllabus only. This 9–1 graded qualification is available only in a limited number of administrative zones. Confirm that your centre can enter you for this code and exam series with Cambridge International. Cambridge has published a separate syllabus for 2029. StudyForA has not reconciled that version yet; this page supports exams in 2026, 2027 and 2028 only.

Before you begin

  • Recall cells, DNA, inherited characteristics and the distinction between growth of an organism and production of offspring.

Work on paper. Try each question before revealing help, and explain why your method works.

Which pair completes the definition?

What you will learn

  • Include both parts of the definition
  • Distinguish reproduction from growth

Define asexual reproduction using parent and offspring links

One parent → copying model → genetically identical offspring. Growth of an existing leaf alone does not establish a new individual.One parent supplies informationCopying without gamete fusionGenetically identical offspring
One parent → copying model → genetically identical offspring. Growth of an existing leaf alone does not establish a new individual. Original teaching model.
Asexual reproduction model reference
FeatureMeaning
Parent sourceOne parent
Offspring relationshipGenetically identical in the copying model
CloneA genetically identical group from the same original parent
Growth distinctionIncrease in existing organism size is not sufficient offspring evidence

Include both parts of the definition

Asexual reproduction produces genetically identical offspring from one parent in the syllabus model. Include both the parental source and the genetic relationship when defining it. Saying only that an organism grows, divides or reproduces quickly does not supply the complete definition. A genetically identical group derived asexually from the same original parent is called a clone.

The new offspring receive copied genetic information from that parent rather than a combination formed by fusion of gamete nuclei. The examples in this pathway include bacterial division, budding and new plants formed from vegetative parts. Their shapes and mechanisms differ, but they share the one-parent genetic-source relationship in the stated model.

Distinguish reproduction from growth

Growth increases the size or mass of an existing organism; reproduction produces offspring. A leaf enlarging on a plant is not, by itself, production of a new plant. A runner forming a daughter plant capable of independent growth is a reproductive example. Look for a new individual rather than assuming every increase in cell number must mean reproduction of the whole organism.

The genetic identity statement describes the ordinary copying model, not a promise that every offspring has exactly the same size or health under every condition. Environmental effects and occasional copying changes are considered separately in the next lesson. Keep the clear syllabus definition first, then qualify an unfamiliar record using the evidence supplied.

Which event supplies a new plant individual?

Put the idea to work

Worked example

One parent gives rise to two offspring with the same copied genetic information. Name and define the process.

Show the worked solution
  1. There is one parental source.
  2. The offspring are genetically identical in the supplied model.

Answer Asexual reproduction produces genetically identical offspring from one parent.

Try a topic test

Choose Easy, Normal or Difficult. Save your answers and open worked review after finishing.

Test this topic →

From guided practice to a new situation

Write your answer and reasoning first. Use a hint only if you are stuck. The model solution is for self-checking; your written work is not automatically marked.

1 · Guided

Define asexual reproduction.

Give me a hint

Include parent number and the offspring genetic relationship.

Compare my reasoning
  1. One parent supplies the genetic information.
  2. Genetically identical offspring are produced in the model.

Asexual reproduction is the production of genetically identical offspring from one parent.

Look for these in your work

  • State one parent
  • State genetically identical offspring
2 · Independent

Explain why a single leaf becoming larger is not enough evidence of plant reproduction.

Give me a hint

Ask whether a new organism has been produced.

Compare my reasoning
  1. The existing plant has grown.
  2. No new plant individual is established by leaf enlargement alone.

Leaf enlargement is growth of the existing plant; it does not by itself demonstrate production of a new plant.

Look for these in your work

  • Separate growth from reproduction
  • Identify the missing offspring evidence
3 · Transfer

Two offspring arise from one parent without gamete fusion in a copying model. They later have different heights. Does height alone refute asexual reproduction?

Give me a hint

Genetic relationship and visible size are different evidence categories.

Compare my reasoning
  1. The reproductive record supplies the one-parent copying mechanism.
  2. Different growing conditions can affect height.

No. The supplied one-parent copying mechanism supports asexual reproduction; different height alone does not establish different genetic information.

Look for these in your work

  • Use the reproductive record
  • Avoid equating height and genotype

Common mistakes

  • Omitting the genetic relationship.
  • Calling enlargement of one leaf a new offspring.
Recall without your notes

What can you explain now?

Which event supplies a new plant individual?

Compare with the explanation

A runner daughter develops its own roots and shoot

A new plant is produced.

After trying it yourself, choose your next review. This is your self-assessment.

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Make it stick

Define asexual reproduction and give an example that produces a new individual rather than just enlarging an existing part.

If you needed the solution, close it and solve the problem again from a blank page. A correct answer is stronger when you can explain the reason for each step.

Keep learning Biology (9-1)

Course scope and assessment

780 sequenced lessons provide 2340 guided, independent and application problems in characteristics, classification, cells, organisation, specimen size, membrane transport, biological molecules, enzymes, plant and human nutrition, plant transport, circulatory systems, the heart, blood vessels, blood, disease transmission, body defences, immunity, gas exchange in humans, respiration energy uses and investigations, aerobic respiration, anaerobic respiration and recovery, excretion in humans, coordination and response, sense organs, hormones, homeostasis, tropic responses, drugs, asexual reproduction, sexual reproduction, sexual reproduction in plants, sexual reproduction in humans, sex hormones in humans, sexually transmitted infections, chromosomes, genes and proteins, mitosis, meiosis, monohybrid inheritance, variation, adaptive features, selection, energy flow, food chains and webs, nutrient cycles, population, community, ecosystem, population-growth phases, food supply, habitat destruction, pollution, conservation, biotechnology and genetic modification. 61 of 61 syllabus sections have linked teaching and staged practice. The earlier inheritance overview remains introductory, and the monohybrid pathway develops the relevant Core and Supplement requirements. This is not full programme completion or guaranteed exam readiness. Written practice is self-checked. This is the separate 9–1 qualification 0970; Cambridge states that its 2026–2028 subject content is otherwise the same as 0610. This 9–1 graded qualification is available only in a limited number of administrative zones. Confirm that your centre can enter you for this code and exam series with Cambridge International. The 2029 syllabus is separately published at https://www.cambridgeinternational.org/Images/764352-2029-syllabus.pdf and is not yet mapped here. This course supports exams in 2026, 2027 and 2028 only.

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