Free Genetics Word Search (Printable PDF + Answer Key)

Download and print this free genetics word search — 15 hidden words tracing a TRAIT from parent to OFFSPRING, from the GENE tucked inside a CHROMOSOME to the DNA that carries it all. It’s a free PDF with the answer key included, sized for standard printer paper and ready for biology unit starters, lab-day warm-ups, or revision before a heredity test.

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Answer key includedFree · 2 pages · key on page 2

15hidden words

Gr 7+suggested grade

2pages: puzzle + key

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The 15 Words in This Puzzle

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Trace the TRAIT from GENE to OFFSPRING: a DOMINANT or RECESSIVE ALLELE sits on a CHROMOSOME inside the NUCLEUS, and HEREDITY carries it all down through the GENOME. Here’s the full word bank you’ll be hunting for:

About this puzzle

About the Genetics word search

The word list is easy-to-medium: CELL, GENE and DNA are quick finds, while CHROMOSOME, HEREDITY and RECESSIVE take a little longer to spot. It works from about grade 7 up, and pairs well with a Punnett square lesson on dominant and recessive traits.

For another life-science topic, try the photosynthesis word search, a free 15-word printable PDF with its answer key. The building blocks of every cell are covered in the cell structure puzzle, part of the free biology word search collection.