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CSET Genetics And Evolution

Subjects : cset, science, genetics
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Layers of compressed sedimentary rock demonstrate the order or sequence at which events occurred. Cannot delineate the exact point of time - but is able to distinguish the order of events.






2. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related






3. Structure present in an organism however does NOT have a known function. May link organisms with similar vestigial structures. Example: appendix - coccyx bone - whale leg bones.






4. Predicts the possible outcome of a genetic cross.






5. Pea plants






6. Ribosomes are made of...






7. Mutation where an extra base is added






8. Selection acting against the extremes of a range of variation - resulting in resistance to change in allele frequencies






9. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks






10. Disappearance of a species from all parts of its geographical range






11. Transfer RNA; type of RNA that carries amino acids to the ribosome






12. DNA is made of...






13. The specific location of a gene on a chromosome






14. Selection acting against the middle of a range of variation






15. Is the evolutionary process whereby a population becomes better suited to its habitat






16. Even if the gametes of the two species meet - fertilization does not occur






17. The evolutionary history/geneology of a group of organisms (a tree thingy)






18. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are






19. Group of individuals of the same species that live in the same area






20. Is a base found in DNA and RNA. This base pairs with Cytosine in DNA






21. The enzyme that binds to the promoter region of a gene during transcription is called...






22. A limb with five digits (fingers)






23. The movement of individuals into an area






24. A body cell






25. Is the genetic makeup of an organism (TT or Tt) ; All the combinations of genes you have for a certain trait.






26. Because of base pairing in DNA the amount of






27. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells






28. Any preserved remains of an organism from the past. Usually found in sedimentary rock.






29. Copying the code from DNA onto mRNA






30. Translation occurs in the...






31. Term used to refer to an organism that has two different alleles for the same trait. e.g Tt is the heterozygous genotype for Tall.






32. During transcription an RNA molecule is formed






33. A process that results in an allele having a different probability of remaining in the gene pool compared with that of another allele






34. The backbone of DNA consist of...






35. The study relating the evolution of new charateristics to changes in the genes controlling development






36. All the factors in an organism's surroundings that can potentially affect it






37. Form of reproductive isolation in which structural differences in the anatomy of reproductive organs prevent sperm transfer between individuals of different species






38. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.






39. Impression made from a organism in soft material such as sand or mud.






40. Reciprocal evolution in two species as a result of the selection pressure each imposes upon the other






41. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures






42. Is a sequence of DNA that codes for a protein and thus determines a trait. This is because the sequence of bases code for certain proteins.






43. The preserved remains or traces of an organism that lived in the past






44. The movement of genes between populations as a result of mating of migration






45. A process where the organisms that have traits that aid in its survival (adaptive traits) will reproduce to pass that trait to futher generations thus increasing the frequency of that trait in the population. Vice versa traits that reduce the chance






46. Are noncoding sequences in the gene that are removed from RNA after transcription






47. Condition in which an organism has extra sets of chromosomes






48. Threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next






49. The adaptive increase in pigmentation as a result of human - induced pollutants






50. An ancestor that two or more descendants have in common







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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