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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. T or F A cloned organism has the same proteins as another organism






2. A mutation in which one nucleotide is replaced by another nucleotide






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






4. A body cell






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






6. Trait where heterozygous is a blending of two alleles






7. Found only in that country






8. Dna moves during electrophoresis because of...






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






10. The independant evolution of similar traits - starting from a similar ancestral condition






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






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






13. Movement of alleles into or out of a population due to the migration of individuals to or from the population






14. Mating of an individual of unknown genotype but dominant phenotype w/ a homozygous recessive individual






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






16. A distinct population of a species that varies from other populations of the same species.






17. Evolution of living things - based on evidence from the past and present.






18. Natural disaster eliminates most of the population - members left contribute the alleles for the new population.






19. Gene

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20. Any agent that can cause a change in DNA






21. Natural selection that causes the frequency of a particular allele to move in one direction






22. Speciation preceded by a period of geographical isolation






23. The inherited characteristic often masked by the dominant characteristic and not seen in an organism. e.g. Tt plant will still be tall. Where T is the dominant trait for tall and t is the recessive trait for small.






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






25. Pea plants






26. When a few individuals become isolated from a larger population - this smaller group may establish a new population whose gene pool is different from their source population.






27. Organisms with a similar underlying structure - but different function. Example: bird - bat and dolphin 'arm'. Shows a common ancestral link.






28. DNA is made of...






29. Shows how the embryos of different groups resemble each other at particular stages. Similarities indicate groups may share a common ancestor






30. Large - scale evolutionary changes that take place over long periods of time






31. Trait evolves overtime; NO common ancestry






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






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






34. The capacity of an individual of certain genotype to reproduce. It is usually equal to the proportion of the individual's genes in all the genes of the next generation






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






36. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic






37. A geographic gradient in the extent to which a character is developed in a species






38. When zygote does not complete development or is physically weaker than normal






39. Features of different species tat are similar in function but not necessarily in structure and in which the similarity is not the result of common ancestry






40. Proteins are made of...






41. A trait that masks the expression of another trait






42. How often a particular gene occurs in the population






43. Translation occurs in the...






44. A change or error in the DNA sequence






45. Is a base found in DNA and RNA. In DNA its partner is Thymine. In RNA its partner is Uracil






46. The banding pattern of a persons DNA after being cut and run on gel is called






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






48. 2 alleles for a character separate during the formation of gametes - so that each gamete only carriers one allele for each character

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49. Determined the concept of complementary base pairing






50. process in which homologous chromosomes exchange portions of their chromatids during meiosis.