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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. A body cell
Ecological (habitat) Isolation
Somatic
Migration
Niche
2. Recognize and cut DNA at specific sequences usually palindromes
Heritable variation
restriction enzyme
true
Double Helix
3. 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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4. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
nucleotides
Bottle neck effect
restriction enzymes - sticky ends
Dominant
5. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Comparative Anatomy
Mate Selection
Selection pressure
Amber
6. Organisms with similar functions - but different underlying structure. Example: bird and insect wing. These structures do NOT show a common ancestral link.
Mendel's Principle of Segregation
Genotype
Homozygote
Analogous structures
7. Uses metamorphic or igneous rock - calculates the age of an object by assessing the amount of radioactive element still present in the organism. Radioactive elements are slowly lost over time because of decay.
Sexual Selection
Bottle neck effect
Absolute dating
Heritable variation
8. Copying the code from DNA onto mRNA
Phyletic Gradualism (anagenesis)
Common Ancestor
False genes
transcription
9. Deoxyribonucleic acid carries the genetic code for the proper functioning of an organism. It is composed of 5 carbon sugar (deoxyribose) four bases Adenine - Thymine - Cytosine and Guanine. the sugar is bonded to a phosphate group. This forms a long
DNA
Analogous Structures (analogies)
False RNA
Geographical Isolation
10. Nucleotides that control which amino acids are added during protein synthesis
NIche Isolation
Founder Effect
Behavioral (ethological) Isolation
Codon
11. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
Punnett Square
Duplication
Natural Selection
tRNA
12. Change in allele frequencies as a result of the migration of a small subgroup of a population
Homologous Structures
Founder Effect
Adaptive Radiation
Analogous structures
13. The complete genetic material contained in an individual
amino acids
Paleozoic era
Homologous pair
Genome
14. Identical alleles for a gene
Adenine
Vestigial organs
Homozygote
Independent assortment
15. Disappearance of a species from all parts of its geographical range
trace fossils
Duplication
Extinction
Genetic Equilibrium
16. Embryos of similar organisms have very similar early development indicating similar DNA at work
trace fossils
Comparative Embryology
Artificial selection
introns
17. An episode of large - scale extinction affecting many different groups of organisms within a short period of time
codon
Genome
nucleotide
Mass Extinction
18. 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
Fitness
Codon
Chromatid
transcription
19. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
GATTACA
Migration
Genotype
Geographical Isolation
20. One of the identical rods of a chromosome.
Biogeography
Homozygote
Ecological (habitat) Isolation
Chromatid
21. A unique combination of traits that are passed down from one generation to another.
Gene frequency
Directional Selection
Cytosine
Heritable variation
22. Type of sympatric speciation that occurs when a new species is formed because of a change in microhabitats
NIche Isolation
hydrogen bonds
Substitution
Ice
23. Building block of a nucleic acid (DNA and RNA)
Hershey and Chase
Vestigial structure
Chargaff
nucleotide
24. A taxon originating from and including a single common ancestor
Monophyletic
Stabilising selection
Speciation
gel electrophoresis
25. 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.
index fossil
Relative dating
Isolating Mechanism
Dominant
26. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
Hominid
Migration
Histone
Natural Selection
27. The comparison of the structures of different organisms
mRNA
Gene
proteins
Comparative anatomy
28. A geographic gradient in the extent to which a character is developed in a species
Disruptive Selection
Genetic Drift
Population
clinC
29. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
False genes
Codon
Chiasma
nucleus
30. The individuals choice of which mate they will choose. The choice is dependant on what traits the individual finds attractive. e.g some people will want their mates to be smart or pretty.
Speciation
Mate Selection
Molecular biology
watson and crick
31. A model for the evolution of different froms over a long period of time but with only slight chchanges occring between successive generations
Isolating Mechanism
Phyletic Gradualism (anagenesis)
Disruptive Selection
Directional Selection
32. Human - like species that existed millions of years ago as witnessed through fossil evidence.
Phyletic Gradualism (anagenesis)
Incomplete Dominance
Common Ancestor
Hominid
33. A limb with five digits (fingers)
Pentadactyl limb
Microevolution
Testcross
Sympatric Speciation
34. Physical characteristics of an organism based on its genotype. e.g. Plant that has a genotype of TT will have a phenotype of Tall.
Molecular biology
Genetic Equilibrium
Phenotype
Mesozoic era
35. The sum total of an organism's requirements; its way of life
Codon
Species
Convergent Evolution
Niche
36. Group of similar organisms that can breed and produce fertile offspring
Precambrian era
Founder effect
Autosomes
Species
37. Predicts the possible outcome of a genetic cross.
Punnett Square
clinC
Phenotype
Relative dating
38. A process that results in an allele having a different probability of remaining in the gene pool compared with that of another allele
Amber
Histone
Selection
mRNA
39. Selection against one end of a range of variation - resulting in a progressive change in allele frequency
Codon
Habitat
Gene pool
Directional Selection
40. Gene
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41. Similar DNA sequences or protein structures (such as hemoglobin) may link different species to a similar ancestor.
Variation
translation
molecular evidence
Comparative anatomy
42. Synonym for protein; chain of amino acids
Variation
Evo Devo
Chromosomes
polypeptide
43. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
rRNA
DNA
Convergent Evolution
mRNA
44. These prevent fertilization between species e.g. diff breeding season - mating behaviour
rRNA
Recessive
Bottleneck Effect
Pre -zygotic Mechanisms
45. An equilibrium in the occurence of two or more different froms within the same population usually caused by different allele combiinations of a gene
tRNA
cytosine in DNA is about equal to the percentage of guanine molecules
Balanced Polymorphism
Dominant
46. A change or error in the DNA sequence
Selection pressure
Meiosis
Directional Selection
mutation
47. 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.
Character Displacement
Heritable variation
Gene
Deletion
48. The gradual changes in gene frequencies in a population due to random events
Industrial Melanism
Phenotype
Genetic Drift
Hybrid Infertility
49. Organ that serves no useful function in an organism
Gene mutation
amino acid
Gene Pool
Vestigial organs
50. Transcrition occurs in the...
Germ
nucleus
Comparative Embryology
Geographical Isolation