MAKE IT YOURS

A world for every learner

Choose a grade to discover its colours and creative world.

Grade 12 Mitosis & Meiosis Worksheet with Answers

Grade 12 (US) · Year 13 (UK) · Class 12 (India) · Biology

Unit 1: Cells & EnergyCell DivisionNGSS HS-LS1-4

The stages of mitosis and meiosis and how the two kinds of cell division differ. This free high school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

Save to PinterestJump to answer key
  • Answer keys checked by code
  • No ads, ever
  • No student accounts needed
  • Safety & privacy
Practice Sheetaethelsystems.com

Mitosis & Meiosis

Grade 12 · Biology

Score___ / 12

Name

Class

Date

Learning goal: Cell Division · NGSS HS-LS1-4

Directions: This worksheet has 2 parts. Read the instructions at the start of each part.

Example

What is the process of cell division that produces two identical cells called?

Answer: mitosis

RememberMitosis

InterphaseProphaseMetaphaseAnaphaseTelophase
Part A

Match each clue to the right word. Write the letter in the box.

  1. 1During which phase of mitosis are sister chromatids pulled apart?
  2. 2What is the division of the cytoplasm at the end of cell division called?
  3. 3During which phase of mitosis do chromosomes line up in the middle of the cell?
  4. 4What is the process of cell division that produces sex cells (with half the chromosomes) called?
  5. 5What do we call a cell with two full sets of chromosomes?
  6. 6In which stage of the cell cycle is DNA copied?
  • ADiploid
  • BCytokinesis
  • CMetaphase
  • DMeiosis
  • EInterphase
  • FAnaphase
Part B

Answer each question. Use full sentences where you can.

  1. 7

    How many chromosomes are in a human sperm or egg cell?

  2. 8

    How many chromosomes are in a normal human body cell?

  3. 9

    List the four phases of mitosis in order.

  4. 10

    Give one reason the body needs mitosis.

  5. 11

    What is crossing over, and when does it happen?

  6. 12

    How many daughter cells does mitosis produce?

★ Challenge corner for fast finishers

You are in a closed room with a candle, a match and a lamp. What do you light first?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/biology/12/bio_cell_division

Answer key (click to show)
  1. 1.F — anaphase
  2. 2.B — cytokinesis
  3. 3.C — metaphase
  4. 4.D — meiosis
  5. 5.A — diploid
  6. 6.E — interphase (S phase)
  7. 7.23
  8. 8.46
  9. 9.prophase, metaphase, anaphase, telophase
  10. 10.growth, repair of damaged tissue, or replacing old cells (any one)
  11. 11.swapping of DNA between paired chromosomes during meiosis I, which increases variation
  12. 12.2
  13. ★the match (challenge corner)

Need another Mitosis & Meiosis worksheet?

Generate unlimited fresh versions at easy, medium or hard difficulty, each with its own answer key. Free during our launch — no card needed.

Create a free account

How to use this worksheet

  • Use it for revision before a test, as homework, or as a timed practice set.
  • Students can self-mark with the answer key and note which question types they got wrong.
  • Generate several versions of the same topic for spaced practice in the weeks before an exam.

Related worksheets

Mitosis & Meiosis in other Grade 12 courses

Grade 12 Science

Mitosis & Meiosis at other grades

Grade 9Grade 10Grade 11

More Grade 12 Biology worksheets

Grade 12 Cell Transport & HomeostasisGrade 12 Photosynthesis & RespirationGrade 12 DNA, RNA & Protein SynthesisGrade 12 Punnett Squares & CrossesGrade 12 Natural Selection & AdaptationGrade 12 Classification & TaxonomyGrade 12 Population EcologyGrade 12 Biomes & Symbiosis

Can't find what you need? Tell us which worksheet to make next.

Frequently asked questions

Does this Grade 12 Mitosis & Meiosis worksheet come with answers?

Yes. The full answer key is on this page, and it prints on its own page after the questions. Every answer is calculated or checked by code rather than written by an AI model, so the key is always correct.

How do I print it or save it as a PDF?

Click "Download PDF" to save a ready-to-print PDF with the answer key on the last page, or click "Print" to send the worksheet and answer key straight to your printer.

Can I get a different Mitosis & Meiosis worksheet?

Yes. Create a free account to generate as many fresh Grade 12 Mitosis & Meiosis worksheets as you like, at easy, medium or hard difficulty, each with its own answer key.

Is this worksheet free?

Yes. This worksheet is free to print, and Practice Sheet is free to use during our launch with no card needed.