SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
CSET Genetics And Evolution
Start Test
Study First
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. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
Molecular biology
gel electrophoresis
RNA polymerase
Genetic Equilibrium
2. In the event of a sperm fertilizing an egg of another species - mechanisms that prevent result being fruitful
Variation
Post -zygotic Mechanisms
Mesozoic era
Ice
3. An equilibrium in the occurence of two or more different froms within the same population usually caused by different allele combiinations of a gene
Species
Cast
Balanced Polymorphism
watson and crick
4. Genes contain instructions for assembling
proteins
Mechanical (morphological) Isolation
Igneous and metamorphic rock
False RNA
5. Ribosomal RNA; type of RNA that makes up part of the ribosome
Translocation
Stabilising selection
rRNA
Coevolution
6. A change in the base sequence of DNA; the ultimate source of new alleles
Rosalind Franklin
Nucleotide
Mutation
RNA polymerase
7. The banding pattern of a persons DNA after being cut and run on gel is called
Environment
Comparative Anatomy
DNA fingerprint
nucleotide
8. A codon is made of...
Industrial Melanism
Bottle neck effect
NIche Isolation
3 nucleotides
9. How often a particular gene occurs in the population
Directional Selection
proteins
Gene frequency
Locus
10. When F1 is fully fertile but F2 has low fertility (rice - cotton)
Petrification
Hybrid Breakdown
homologous (Evolution Evidence)
Cytosine
11. Which type of Rna functions as a blue print of the genetic code
Stabilising
mRNA
Dominant
Vestigial organs
12. An episode of large - scale extinction affecting many different groups of organisms within a short period of time
Selection
Extinction
Mass Extinction
Directional Selection
13. Change in allele frequencies as a result of the migration of a small subgroup of a population
Founder Effect
Speciation
amino acid
Evolution
14. Because of base pairing in DNA the amount of
Ice
cytosine in DNA is about equal to the percentage of guanine molecules
GATTACA
introns
15. The specific location of a gene on a chromosome
Evolution
Locus
Ecological Barrier
Vestigial structure
16. Another name for a gene
Analogous Structures (analogies)
Allele
Species
homologous (Evolution Evidence)
17. A base found in DNA (but not in RNA). This base pairs with Adenine.
Ice
Phenotype
Speciation
Thymine
18. A process that results in an allele having a different probability of remaining in the gene pool compared with that of another allele
Extinction
Ecological (habitat) Isolation
RNA polymerase
Selection
19. Is a base found in DNA and RNA. This base pairs with Cytosine in DNA
Analogous structures
RNA polymerase
Guanine
Petrification
20. The structure on a tRNA molecule that allows it interact with an mRNA molecule
vestigial (Evolution Evidence)
anticodon
nucleotide
Mesozoic era
21. Process by which one species gives rise to two or more species
Speciation
Petrification
Artificial selection
Organic Evolution
22. Human - like species that existed millions of years ago as witnessed through fossil evidence.
Genetic Equilibrium
Incomplete Dominance
Extinction
Hominid
23. A model for the evolution of different froms over a long period of time but with only slight chchanges occring between successive generations
Phyletic Gradualism (anagenesis)
Monohybrid Cross
body fossils
Cytosine
24. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
Substitution
restriction enzymes - sticky ends
Evolution
RNA polymerase
25. Used x ray cyrstallography to create an image of DNA
Vestigial organs
tRNA
GATTACA
Rosalind Franklin
26. The number of times an allele appears in a population
gel electrophoresis
Allele Frequency
Duplication
Mutagen
27. The evolutionary history/geneology of a group of organisms (a tree thingy)
Nucleotide
Endemic
Phylogeny
Phyletic Gradualism (anagenesis)
28. The condition in which there is no change in allele frequencies from generation to generation (i.e. no evolution)
tRNA
hydrogen bonds
Genetic Equilibrium
Locus
29. When zygote does not complete development or is physically weaker than normal
Niche
Hybrid Inviability
Punnett Square
Temporal Isolation
30. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
Histone
Genotype
Independent assortment
Evo Devo
31. Transfer RNA; type of RNA that carries amino acids to the ribosome
Vestigial organs
tRNA
Haploid/Monoploid
clinC
32. How often a form of a gene appears in a gene pool
Allele Frequency
DNA
Migration
Stabilising
33. A body cell
Recombination
Natural Selection
Somatic
Artificial selection
34. 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.
Test Cross
anticodon
Disruptive Selection
Gene
35. Threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next
hydrogen bonds
Gene
Chromosomes
stop codon
36. The comparison of the structures of different organisms
Hybrid Breakdown
Comparative anatomy
Rosalind Franklin
Genotype
37. Organism is preserved at very low temperatures. Preservation of both hard and soft parts can occur.
Post -zygotic Mechanisms
Ice
Cast
Fossil
38. What is one benefit for having two strands of DNA?
Cenozoic era
If you lose one then you will still have one to back you up.
Stabilising
Ice
39. Is a trait that is more expressed than another trait. Is written in capital letters for Genotype. E.g Tall genotype is TT or Tt where T is the allele for tall trait and t is the trait for small. T will be expressed more.
Dominant
Allele Frequency
Adenine
mRNA
40. Copying the code from DNA onto mRNA
transcription
Comparative anatomy
Cenozoic era
Temporal Isolation
41. Even if the gametes of the two species meet - fertilization does not occur
amino acids
deoxyribose and phosphate
Autosomes
Gamete Isolation
42. Cell division in which the nucleus divides into nuclei containing the same number of chromosomes. Mitosis involves growth and repair and occurs in the body cells.
Mitosis
Testcross
Rosalind Franklin
Population
43. Process by which a ribosome uses the code on mRNA to make proteins
translation
trace fossils
Chargaff
deoxyribose and phosphate
44. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
Mitosis
Comparative Anatomy
tRNA
Rosalind Franklin
45. The gradual changes in gene frequencies in a population due to random events
Sympatric Speciation
Behavioral (ethological) Isolation
Genome
Genetic Drift
46. Situation in which allele frequencies remain constant
mRNA
Genetic Equilibrium
Nucleotide
Stabilising
47. Process in which DNA is duplicated
replication
nucleotide
vestigial (Evolution Evidence)
Centromere
48. Selection acting against the extremes of a range of variation - resulting in resistance to change in allele frequencies
cytoplasm
Test Cross
Translocation
Stabilising
49. shape of a DNA molecule formed when two twisted DNA strands are coiled into a springlike structure and held together by hydrogen bonds between the bases.
Coevolution
Variation
Double Helix
index fossil
50. Determined the concept of complementary base pairing
Stabilising selection
Hominid
Chargaff
Deme