Geologic timescale

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Across
  1. 1. a change in a gene or chromosome.
  2. 3. segments of DNA on a chromosome responsible for inherited traits.
  3. 6. having two identical alleles of a particulare gene.
  4. 8. less important, powerful, and influential.
  5. 11. one more alternatibe formes of a gene that arise by mutation.
  6. 14. a double helix that carries all of our genetic information.
  7. 16. a structure of nucleic acids and protein in the nucleus.
  8. 18. a set of observable characteristics of someone.
  9. 19. heterozygous.
  10. 20. known as the father of genetics.
Down
  1. 2. something you inherit from your parents or ancestors.
  2. 4. the central and most important part of an organism.
  3. 5. most important, powerful, and influential.
  4. 7. the genetic makeup of an organism.
  5. 9. having two different alleles of a particular gene.
  6. 10. homozygous.
  7. 12. a tool used to predict the genotypesand phenotypes.
  8. 13. a pair of two alleles that don't dominate each other.
  9. 15. derived genetically from nes parents or ancestors.
  10. 17. genetically determined traits that come from parents.