Genetics

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Across
  1. 1. passing on of physical or mental characteristics
  2. 5. dissimilar alleles at corresponding chromosomal loci
  3. 6. process by which a cell divides into two smaller cells
  4. 7. code/the ordering of nucleotides in DNA molecules that carries the genetic information in living cells
  5. 12. of DNA controlling physical characteristics and growth
  6. 14. threadlike strand of DNA that carries genes
  7. 15. that carries genetic information in a cell
  8. 17. specialized part of a cell; analogous to an organ
  9. 18. of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
Down
  1. 2. allele/ will be expressed only if there are two identical copies of that allele, or for a male, if one copy is present on the X chromosome.
  2. 3. mature sexual reproductive cell
  3. 4. identical alleles at corresponding chromosomal loci
  4. 8. organism of one or more cells with membrane-bound nuclei
  5. 9. mature sexual reproductive cell
  6. 10. change or alteration in form or qualities
  7. 11. DNA
  8. 13. allele/ is an allele that is almost always expressed, even if only one copy is present.
  9. 16. characteristics produced by genes and environment