Heredity and Adaptation

1. traits that you get from your parents
4. the passing on of a physical or mental characteristic genetically
6. of superposition the rule that deeper layers of rock have older fossils
8. change of the characteristics of a species over time
13. first generation of two mated offspring
14. trying to cure a genetic disease by altering genes
17. scientist who study the earth
21. fossils made from parts of an organism
22. technology that alters genes
24. Scientist that search and observe fossils
27. a set of members of a family from a specific stage in descent
29. when an organism changes to better suit its environment
30. coming from an ancestor
31. predicts the genotypes of a particular breeding experiment
33. a unit of heredity that is transferred from parent to keiki
35. An error in the DNA sequence
36. a set of observable characteristics of an individual
38. a life form
39. ancestor an older species that two or more modern species can trace their ancestry to.
40. vast amount of time (millions of years)
43. humans using technology to alter genetics
44. evidence of ancient life
45. a chemical element that differs in neutron levels, not very stable
46. a group of living organisms that can interbreed
47. vertebrae animal with 4 limbs

2. a trait you get from your parents
3. a trait that expresses over another (upper case letters)
5. material that carries genetic information
7. a diagram that shows the relationship between species
9. difference in characteristics within a population
10. fossils developed from tracks, marks, burrow, impressions, or droppings
11. a broad term referring to an organism's genetic makeup (letters)
12. layered rock
15. two identical alleles (Homozygous dominant: AA / Homozygous recessive: aa)
16. substance that consists of amino acids, important for biological processes
18. a trait
19. A trait that is NOT expressed over another (lower case letters)
20. a record that helps scientist place important events and species in the appropriate geologic era
23. the study of heredity and variation of characteristics
25. explains why life is both similar and diverse
26. a large time period over thousands of years
28. altering an organisms genes through injecting a drug
32. threadlike structures that carry genetic info
34. change over time
37. Genetically modified organisms (ex: plants that resist pesticides)
41. two NON identical alleles (A/a)
42. organisms better adapted to their environment tend to survive and produce more offspring.
43. one or more of the forms of a given trait