MAKE IT YOURS

A world for every learner

Choose a grade to discover its colours and creative world.

Grade 11 Genetics Vocabulary Worksheet with Answers

Grade 11 (US) · Year 12 (UK) · Class 11 (India) · Biology

Unit 2: HeredityGenetics VocabularyNGSS HS-LS3-1

Key genetics terms: gene, allele, dominant, recessive, genotype and phenotype. 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

Genetics Vocabulary

Grade 11 · Biology

Score___ / 12

Name

Class

Date

Learning goal: Genetics Vocabulary · NGSS HS-LS3-1

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

Example

What molecule carries genetic information in cells?

Answer: DNA

RememberGenetics words

B dominantshows if presentcapital letterb recessiveshows only as bblower-case letterBB, bbhomozygoustwo the sameBbheterozygousone of eachGenotypethe letters: BbPhenotypewhat you see: brown
Part A

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

  1. 1What do we call an organism with two identical alleles for a trait?
  2. 2What do we call an organism with two different alleles for a trait?
  3. 3Who is known as the father of genetics for his work with pea plants?
  4. 4What is a section of DNA that codes for a trait called?
  5. 5What do we call a permanent change in a DNA sequence?
  6. 6What is the term for an organism's observable traits?
  • APhenotype
  • BHeterozygous
  • CGregor Mendel
  • DMutation
  • EHomozygous
  • FGene
Part B

Answer each question. Use full sentences where you can.

  1. 7

    What is incomplete dominance?

  2. 8

    Which bases pair together in DNA?

  3. 9

    Is the genotype Bb homozygous or heterozygous?

    HomozygousHeterozygous
  4. 10

    What are the different forms of a gene called?

  5. 11

    If B (brown) is dominant to b (blue), what color are the eyes of a person with genotype Bb?

  6. 12

    What do we call the passing of traits from parents to offspring?

★ Challenge corner for fast finishers

Why do you see lightning before you hear thunder?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/biology/11/genetics_vocabulary

Answer key (click to show)
  1. 1.E — homozygous
  2. 2.B — heterozygous
  3. 3.C — Gregor Mendel
  4. 4.F — a gene
  5. 5.D — a mutation
  6. 6.A — phenotype
  7. 7.neither allele is fully dominant, so the heterozygote shows a blend (e.g. red × white → pink)
  8. 8.A with T, and C with G
  9. 9.heterozygous
  10. 10.alleles
  11. 11.brown
  12. 12.heredity (inheritance)
  13. ★light travels much faster than sound (challenge corner)

Need another Genetics Vocabulary 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

Genetics Vocabulary in other Grade 11 courses

Grade 11 Science

Genetics Vocabulary at other grades

Grade 9

More Grade 11 Biology worksheets

Grade 11 Punnett Squares & CrossesGrade 11 Genetics Basics (Mixed)Grade 11 BiomoleculesGrade 11 DNA, RNA & Protein SynthesisGrade 11 Mitosis & MeiosisGrade 11 Natural Selection & AdaptationGrade 11 Classification & TaxonomyGrade 11 Energy Pyramids (10% Rule)

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

Frequently asked questions

Does this Grade 11 Genetics Vocabulary 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 Genetics Vocabulary worksheet?

Yes. Create a free account to generate as many fresh Grade 11 Genetics Vocabulary 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.