Genetics Crossword

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Across
  1. 1. Double helix of nucleotide that carries genetic instructions
  2. 4. A haploid cell that fuses with another haploid cell during fertilization
  3. 6. A diagram showing the lineage or genealogy of an individual and all the direct ancestors
  4. 8. The genetic outcome of a particular cross
  5. 14. The building blocks of nucleic acids
  6. 15. Unit of heredity
  7. 16. Found in the nucleus, carries genetic information
  8. 17. Two of the same allele
  9. 18. Two different alleles
Down
  1. 2. Forms of a gene
  2. 3. If present, this allele will always present in the phenotype
  3. 5. Two of these alleles are required to present in the phenotype
  4. 7. Position of a gene on a chromosome
  5. 9. Diagram to predict the outcome of a genetic cross
  6. 10. A monk who grew peas and discovered the basic principles of heredity
  7. 11. The observable characteristics of a particular cross
  8. 12. A seal's flipper is _______ with the human arm
  9. 13. The number and appearance of chromosomes in the nucleus of a eukaryotic cell