Test your basic knowledge |

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. Predicts the possible outcome of a genetic cross.






2. Gene

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


3. A limb with five digits (fingers)






4. When competition causes two closely related species to become more different in regions where their ranges overlap






5. Name for oism with one dominant and one recessive allele






6. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz






7. A model for the evolution of different froms over a long period of time but with only slight chchanges occring between successive generations






8. 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.






9. The offspring of a cross between two inbred lines within a single species. May also refer to the offspring of across between two species






10. How often a particular gene occurs in the population






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






12. Evolution resulting from small specific genetic changes that can lead to a new subspecies






13. Genes contain instructions for assembling






14. An episode of large - scale extinction affecting many different groups of organisms within a short period of time






15. Breeding organisms with specific traits in order to produce offspring with identical traits






16. Term used to refer to an organism that has two identical alleles for a particular trait. e.g TT is the homozygous genotype for Tall.






17. Building block of a nucleic acid (DNA and RNA)






18. Era of recent life that began about 66 million years ago and continues today; includes the first appearance Hominids






19. Cell division that produces reproductive cells or gamates.This occurs in the gonads (testicle and ovaries in animals) Here the chromosome number is halved the original amount. (each new cell has a haploid number = n) All daughter cells are not geneti






20. Process by which one species gives rise to two or more species






21. Change in allele frequencies as a result of the migration of a small subgroup of a population






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






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






24. Found only in that country






25. Hybrid is sterile so biologically unfit






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






27. Chromosomes are collections of many






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






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






30. DNA that is coiled around proteins






31. A group of organisms of the same species occupying a given area.






32. Closely related species occupying different habitats - niches preventing them from interbreeding






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






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






35. You mate the unknown genotype with an organism showing the recessive trait. If any of the offspring show the recessive trait - the original unknown parent was heterozygous. If no recessive trats show up - the original parent was homozygous.






36. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration






37. Features that are superficially similar but have different modes of development






38. Recognize and cut DNA at specific sequences usually palindromes






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






40. Ribosomal RNA; type of RNA that makes up part of the ribosome






41. One of the identical rods of a chromosome.






42. 2 alleles for a character separate during the formation of gametes - so that each gamete only carriers one allele for each character

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


43. A body cell






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






45. Periods of little adaptive change






46. Two alternative forms of a gene e.g Tall vs Short






47. Used x ray cyrstallography to create an image of DNA






48. A population partially isolated from other populations of the same species






49. Independent segregation of genes during the formation of gametes






50. Organ that serves no useful function in an organism