genetics and heredity

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Across
  1. 5. makes proteins by using carried mRNA
  2. 8. a change in the DNA sequence
  3. 9. observable traits
  4. 11. two identical versions of the same gene
  5. 15. Deoxyribonucleic acid
  6. 16. A molecule made up of amino acids
  7. 18. one cell divides into two genetically identical daughter cells.
  8. 19. the process of copying a segment of DNA into RNA
  9. 20. proteins that help speed up metabolism
Down
  1. 1. reduces the number of chromosomes in gametes
  2. 2. the union of two gametes
  3. 3. structure of nucleic acids and protein
  4. 4. a different inherited version of a gene
  5. 6. fertilized egg cell
  6. 7. genetic makeup
  7. 10. product of reproduction
  8. 12. when a genotype is homozygous
  9. 13. contains only a single set of chromosomes
  10. 14. receives two versions of each gene
  11. 17. basic unit of heredity