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Test your basic knowledge |
CSET Genetics And Evolution
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Study First
Subjects
:
cset
,
science
,
genetics
Instructions:
Answer 50 questions in 15 minutes.
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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 codon is made of...
3 nucleotides
clinC
translation
Allele
2. Proteins are made of...
Mass Extinction
Comparative embryology
Hybrid Infertility
amino acids
3. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
geologic time scale
GATTACA
proteins
Mesozoic era
4. How often a form of a gene appears in a gene pool
Rosalind Franklin
False genes
Allele Frequency
Genetic Drift
5. Determined the concept of complementary base pairing
Mitosis
Extinction
Chargaff
Relative dating
6. Are noncoding sequences in the gene that are removed from RNA after transcription
analogous (Evolution Evidence)
introns
Speciation
Allele Frequency
7. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Precambrian era
mRNA
Sexual Selection
Adaptation
8. The movement of genes between populations as a result of mating of migration
Coevolution
Histone
Gene Flow
Temporal Isolation
9. Nucleotides that control which amino acids are added during protein synthesis
Hershey and Chase
Codon
Niche
trace fossils
10. A fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found
Gene frequency
index fossil
stop codon
geologic time scale
11. A base found in DNA (but not in RNA). This base pairs with Adenine.
Genetic Equilibrium
Thymine
Genome
mRNA
12. Translation occurs in the...
gel electrophoresis
cytoplasm
Microevolution
Industrial Melanism
13. The comparison of the structures of different organisms
Artificial selection
Hybrid Infertility
analogous (Evolution Evidence)
Comparative anatomy
14. The number of times an allele appears in a population
Mechanical (morphological) Isolation
Allele Frequency
Petrification
Analogous Structures (analogies)
15. 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
Translocation
hydrogen bonds
Speciation
16. It means chromosomes are paired. One of each chromosome in a pair originates from the father and one from the mother. They affect the same trait - but don't necessarily cause the same expression of the trait.
Homologous pair
Gene flow
Paleozoic era
Translocation
17. When chromosome is changed by radiation and chemicals - results a permanent structural change in the chromosome - which will no longer be able to pair with its homologous pair. Eg - deletion - duplication - inversion and translocation.
polypeptide
Igneous and metamorphic rock
Chromosome mutation
molecular evidence
18. Human - like species that existed millions of years ago as witnessed through fossil evidence.
Fossils
Hominid
Fossil
Convergent Evolution
19. How often a particular gene occurs in the population
Gene frequency
Population
Dihybrid Cross
Incomplete Dominance
20. Chromosomes that determine the sex of an individual. These are X for female and Y for male. The female egg is an X while the male sperm can be X or Y
rRNA
Sex Chromosomes
Fossil
Haploid/Monoploid
21. A small simple structure (as a fertilized egg) from which new tissue can develop into a complete organism. It is also a cell
Comparative embryology
Germ
Sub - species
Duplication
22. A taxon originating from and including a single common ancestor
translation
Phylogeny
Environment
Monophyletic
23. 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
Coevolution
Homologous structures
thymine
24. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
restriction enzymes - sticky ends
Insertion
Crossing over
restriction enzyme
25. A copy of a gene is made during a process called this
transcription
Endemic
Homologous structures
Homologous pair
26. Middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs - rise of flowering plants
Sub - species
Ecological Barrier
Mesozoic era
Homologous Structures
27. Is a base found in DNA and RNA. Cytosine pairs with Guanine in DNA
Codon
Cytosine
three
DNA fingerprint
28. Synonym for protein; chain of amino acids
Translocation
polypeptide
Cenozoic era
mutation
29. Identical alleles for a gene
Homozygote
Locus
restriction enzyme
Haploid/Monoploid
30. The formation of new species as a result of evolution
Vestigial organs
vestigial (Evolution Evidence)
Selection pressure
Speciation
31. Is the evolutionary process whereby a population becomes better suited to its habitat
Cast
nucleotides
Adaptation
anticodon
32. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Dominant
body fossils
Amber
Reproductive Isolation
33. Organisms with a similar underlying structure - but different function. Example: bird - bat and dolphin 'arm'. Shows a common ancestral link.
Reproductive Isolation
Somatic
Cenozoic era
Homologous structures
34. The study of the past and present distribution of species.
Biogeography
tRNA
Speciation
Comparative Anatomy
35. Even if the gametes of the two species meet - fertilization does not occur
Paleozoic era
Gamete Isolation
Mate Selection
Mutation
36. The independant evolution of similar traits - starting from a similar ancestral condition
Parallel Evolution
Punctuated Equilibrium
deoxyribose and phosphate
Meiosis
37. Two alternative forms of a gene e.g Tall vs Short
Histone
Mendel's Principle of Segregation
Variation
Alleles
38. An episode of large - scale extinction affecting many different groups of organisms within a short period of time
Parallel Evolution
hydrogen bonds
Dominant
Mass Extinction
39. Hybrid is sterile so biologically unfit
Hybrid Infertility
tRNA
Bottleneck Effect
Gene mutation
40. Consists of all genes - including all the different alleles - that are present in a population
Igneous and metamorphic rock
Pre -zygotic Mechanisms
Comparative Anatomy
Gene pool
41. Separates DNA by size
Phenotype
gel electrophoresis
Phenotype
Locus
42. 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.
Phyletic Gradualism (anagenesis)
Endemic
Relative dating
GATTACA
43. 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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44. The reduction of a population - typically by a natural disaster - such that the surviving population is no longer genetically representative of the original population.
Sympatric Speciation
Bottleneck Effect
nucleotides
Hominid
45. The movement of individuals into an area
If you lose one then you will still have one to back you up.
Immigration
Precambrian era
Dominant
46. Method of replication that implies that each new strand of DNA is half original and half new
Environment
Semi - conservative replication
Disruptive Selection
Post -zygotic Mechanisms
47. Type of sympatric speciation that occurs when a new species is formed because of a change in microhabitats
NIche Isolation
Germ
Sexual Selection
Codon
48. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
Relative dating
Adaptive Radiation
polypeptide
mRNA
49. Used x ray cyrstallography to create an image of DNA
its negative charge
transcription
Rosalind Franklin
Phylogeny
50. A nucleotide of RNA is made of...
ribose - phosphate - and a base
Sexual Selection
Hybrid Breakdown
chromatin
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