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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. DNA is made of...
Genotype
mRNA
Mutation
nucleotides
2. Form of reproductive isolation in which two populations reproduce at different times
restriction enzymes - sticky ends
Hybrid Inviability
Temporal Isolation
Phyletic Gradualism (anagenesis)
3. Speciation which does not involve a period of geographical separation
Heterozygote
clinC
Relative dating
Sympatric Speciation
4. Actual remains of an organism such as bones - teeth - shells - etc.
Stasis
body fossils
Phylogeny
Mutation
5. Describes a cell - nucleus - or organism that has only one set of unpaired chromosomes
Hybrid Inviability
Ecological Barrier
Haploid/Monoploid
Ice
6. Process in which DNA is duplicated
Recombination
Adenine
replication
Directional Selection
7. Is a base found in DNA and RNA. Cytosine pairs with Guanine in DNA
Cytosine
Post -zygotic Mechanisms
NIche Isolation
Heritable variation
8. Movement of alleles into or out of a population due to the migration of individuals to or from the population
Independent assortment
rRNA
Gene flow
Selection
9. The environmental factors that favour certain phenotypes
Geologic Evolution
Variation
Vestigial organs
Selection pressure
10. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic
RNA polymerase
geologic time scale
gel electrophoresis
Stabilising selection
11. The sum total of an organism's requirements; its way of life
Relative dating
Mate Selection
Niche
Genetic Equilibrium
12. The gradual changes in gene frequencies in a population due to random events
Genetic Drift
restriction enzymes - sticky ends
Mesozoic era
Variation
13. Evolution of the earth - which is hypothesized to have been formed over 4.6 billion years ago.
Geologic Evolution
Polyploidy
3 nucleotides
tRNA
14. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
Allele Frequency
Molecular biology
Post -zygotic Mechanisms
trace fossils
15. Another name for a gene
Allele
DNA
Biogeography
Population
16. The enzyme that binds to the promoter region of a gene during transcription is called...
Divergent Evolution
Evo Devo
Gametic
RNA polymerase
17. Synonym for protein; chain of amino acids
Genome
Haploid/Monoploid
geologic time scale
polypeptide
18. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
Analogous structures
Selection pressure
rRNA
trace fossils
19. Speciation preceded by a period of geographical isolation
chromatin
Centromere
Allopatric Speciation
Germ
20. Change in allele frequencies as a result of the migration of a small subgroup of a population
Founder Effect
embryological evidence
cytoplasm
Variation
21. Is the genetic makeup of an organism (TT or Tt) ; All the combinations of genes you have for a certain trait.
Phenotype
restriction enzyme
Homozygote
Genotype
22. A codon is made of...
Incomplete Dominance
Recombination
3 nucleotides
deoxyribose and phosphate
23. Individual that is heterozygous for two traits; shows the phenotype governed by the dominant alleles but carries the recessive alleles
Sub - species
Genetic Drift
Natural Selection
Dihybrid
24. Messenger RNA; type of RNA that carries instructions from DNA in the nucleus to the ribosome
tRNA
mRNA
Artificial selection
chromatin
25. The study relating the evolution of new charateristics to changes in the genes controlling development
Evo Devo
Vestigial organs
Balanced Polymorphism
Igneous and metamorphic rock
26. 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
Mate Selection
Isolating Mechanism
Analogous Structures (analogies)
Independent assortment
27. 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.
Absolute dating
Reproductive Isolation
Mate Selection
Chromosomes
28. Change to a chromosome in which a fragment of the chromosome is removed
true
DNA
Species
Deletion
29. 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.
Founder effect
Mechanical (morphological) Isolation
Behavioral (ethological) Isolation
Isolating Mechanism
30. T or F A cloned organism has the same proteins as another organism
Germ
Analogous structures
Natural Selection
False genes
31. Building block of a protein
amino acid
Macroevolution
that is complementary to a single strand of DNA
Chromatid
32. 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.
Directional Selection
Monohybrid Cross
Chromosome mutation
Founder Effect
33. Which type of Rna functions as a blue print of the genetic code
Mesozoic era
rRNA
mRNA
Genetic Drift
34. The banding pattern of a persons DNA after being cut and run on gel is called
DNA fingerprint
Medel worked with _____
Cytosine
Test Cross
35. A model for the evolution of different froms over a long period of time but with only slight chchanges occring between successive generations
Parallel Evolution
Population
Behavioral (ethological) Isolation
Phyletic Gradualism (anagenesis)
36. When F1 is fully fertile but F2 has low fertility (rice - cotton)
deoxyribose and phosphate
Homologous Structures
chromatin
Hybrid Breakdown
37. Form of reproductive isolation in which structural differences in the anatomy of reproductive organs prevent sperm transfer between individuals of different species
Comparative Embryology
Mechanical (morphological) Isolation
Homologous structures
GATTACA
38. 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
restriction enzyme
transcription
mRNA
DNA
39. Inherited feature that tends to prevent species from interbreeding with other species
Vestigial structure
Polyploidy
Isolating Mechanism
Autosomes
40. Breeding organisms with specific traits in order to produce offspring with identical traits
Artificial selection
Chiasma
Evo Devo
Incomplete Dominance
41. The backbone of DNA consist of...
deoxyribose and phosphate
Phylogeny
Mitosis
stop codon
42. Selection acting against the extremes of a range of variation - resulting in resistance to change in allele frequencies
Double Helix
Sub - species
Analogous structures
Stabilising
43. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
Ecological (habitat) Isolation
Adaptation
Gene mutation
Divergent Evolution
44. An evolutionary 'branch' and its daughter 'twigs'
Fossil
Gametic
Clade
Semi - conservative replication
45. Change to a chromosome in which part of the chromosome is repeated
Mendel's Principle of Segregation
Duplication
Geographical Isolation
Chromatid
46. Chromosomes are collections of many
Absolute dating
tRNA
genes
introns
47. Is active during transcription
Convergent Evolution
Environment
RNA polymerase
Gene Pool
48. Independent segregation of genes during the formation of gametes
Character Displacement
nucleotides
Gene frequency
Independent assortment
49. What is one benefit for having two strands of DNA?
Adaptive Radiation
Mendel's Principle of Segregation
Fossil
If you lose one then you will still have one to back you up.
50. A process where the organisms that have traits that aid in its survival (adaptive traits) will reproduce to pass that trait to futher generations thus increasing the frequency of that trait in the population. Vice versa traits that reduce the chance
Population
rRNA
clinC
Natural Selection