Genetics and Heredity

1234567891011121314151617181920
Across
  1. 1. Two different alleles for a particular gene
  2. 5. The process by which a cell makes an identical copy of its DNA
  3. 7. Structures made of DNA and proteins that carry our genes
  4. 8. The process in which cells build proteins using the instructions encoded in DNA
  5. 9. Both alleles of a gene are fully expressed in the phenotype of an organism
  6. 13. Changes that can occur in the DNA sequence of a gene
  7. 14. The process that a cell goes through as it grows and divides into two daughter cells
  8. 17. A process that occurs during the formation of gametes
  9. 18. Refers to the observable physical or biochemical characteristics of an organism
  10. 20. Cells in a multicellular organism start to specialize in their structure and function
Down
  1. 1. A cell or organism that has only one set of chromosomes
  2. 2. Sections of DNA that contain instructions for specific traits or characteristics
  3. 3. Two identical alleles for a particular gene
  4. 4. Specialized cells involved in sexual reproduction
  5. 6. A process of cell division that occurs in somatic cells
  6. 10. Different versions of a gene
  7. 11. Special Proteins that help speed up chemical reactions in our bodies
  8. 12. Any cell in the body of an organism that is not a reproductive cell
  9. 15. A cell or organism that has two sets of chromosomes, one set inherited from each parents
  10. 16. The initial cell formed when two gametes fuse during fertilization
  11. 19. The children or descendants of a living being