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