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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. When F1 is fully fertile but F2 has low fertility (rice - cotton)
Speciation
amino acids
Hybrid Breakdown
Crossing over
2. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
molecular evidence
RNA polymerase
hydrogen bonds
restriction enzymes - sticky ends
3. All the factors in an organism's surroundings that can potentially affect it
Chargaff
Gamete Isolation
Environment
Genetic Equilibrium
4. Type of sympatric speciation that occurs when a new species is formed because of a change in microhabitats
Guanine
mRNA
Somatic
NIche Isolation
5. 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.
Heterozygous
Mate Selection
Homozygous
Convergent Evolution
6. Three dimensional shape of organism made from a mold. May be created with plaster or over time with minerals.
Cast
Genetic Drift
Analogous Features
Habitat
7. Inherited feature that tends to prevent species from interbreeding with other species
Adenine
Isolating Mechanism
False RNA
Heritable variation
8. A copy of a gene is made during a process called this
that is complementary to a single strand of DNA
transcription
Hybrid Inviability
Homozygote
9. Natural disaster eliminates most of the population - members left contribute the alleles for the new population.
Recessive
Fossils
index fossil
Bottle neck effect
10. The preserved remains or traces of an organism that lived in the past
Fossil
Coevolution
deoxyribose and phosphate
Niche
11. The sum total of an organism's requirements; its way of life
Homologous structures
Mitosis
Ecological (habitat) Isolation
Niche
12. T or F A cloned organism has the same proteins as another organism
Sedimentary Rock
Chromosome mutation
Absolute dating
False genes
13. A distinct population of a species that varies from other populations of the same species.
Fossil
Directional Selection
Absolute dating
Sub - species
14. The condition in which there is no change in allele frequencies from generation to generation (i.e. no evolution)
Sedimentary Rock
Niche
Genetic Equilibrium
Ecological (habitat) Isolation
15. The gradual changes in gene frequencies in a population due to random events
Macroevolution
Genetic Drift
Cytosine
Clade
16. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
true
False genes
gel electrophoresis
Incomplete Dominance
17. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
Convergent Evolution
Medel worked with _____
3 nucleotides
Homologous pair
18. The reduction of a population - typically by a natural disaster - such that the surviving population is no longer genetically representative of the original population.
mRNA
Bottleneck Effect
Isolating Mechanism
Geographical Isolation
19. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Ring Species
Species
Dihybrid Cross
Gene flow
20. 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.
Coevolution
replication
Gene
GATTACA
21. A change or error in the DNA sequence
mutation
DNA fingerprint
Behavioral (ethological) Isolation
Precambrian era
22. 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
Codon
Natural Selection
mRNA
Ecological Barrier
23. Similar embryological structures in different species - such as gill slits - may demonstrate that these species share a common ancestor.
embryological evidence
Centromere
Incomplete Dominance
Paleozoic era
24. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
Vestigial organs
Evolution
Chiasma
Translocation
25. Is a base found in DNA and RNA. This base pairs with Cytosine in DNA
Genetic Drift
Phenotype
Stabilising
Guanine
26. Organ no longer serves a function
Species
Somatic
Endemic
vestigial (Evolution Evidence)
27. Pea plants
proteins
Polyploidy
restriction enzymes - sticky ends
Medel worked with _____
28. Speciation preceded by a period of geographical isolation
codon
amino acid
Fossils
Allopatric Speciation
29. The study relating the evolution of new charateristics to changes in the genes controlling development
Homologous structures
Chiasma
Evo Devo
Founder Effect
30. Is found in DNA
Deletion
Monophyletic
thymine
nucleotides
31. Determined the concept of complementary base pairing
Mechanical (morphological) Isolation
Mutagen
Chargaff
Cytosine
32. 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.
Immigration
that is complementary to a single strand of DNA
Mate Selection
Monohybrid Cross
33. Determined the complete double helical structure of DNA
watson and crick
Adaptation
Chromosome mutation
embryological evidence
34. The formation of new species as a result of evolution
Genetic Drift
translation
False RNA
Speciation
35. Form of reproductive isolation in which structural differences in the anatomy of reproductive organs prevent sperm transfer between individuals of different species
Mechanical (morphological) Isolation
Mold
Crossing over
Dominant
36. T or F If a nucleic acid contain uracil it is DNA
genes
introns
Parallel Evolution
False RNA
37. 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
index fossil
Igneous and metamorphic rock
Meiosis
Hybrid
38. The structure on a tRNA molecule that allows it interact with an mRNA molecule
Monohybrid Cross
anticodon
Gene Pool
NIche Isolation
39. A change in the base sequence of a gene
Geographical Isolation
Genetic Drift
Gene mutation
Punctuated Equilibrium
40. The movement of genes between populations as a result of mating of migration
Independent assortment
Translocation
Microevolution
Gene Flow
41. Individual that is heterozygous for two traits; shows the phenotype governed by the dominant alleles but carries the recessive alleles
transcription
Dihybrid
Homologous structures
Adenine
42. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
trace fossils
DNA fingerprint
chromatin
Test Cross
43. The gradual changes in gene frequencies in a population due to random events
Temporal Isolation
Endemic
Genetic Drift
Selection pressure
44. Evolution of the earth - which is hypothesized to have been formed over 4.6 billion years ago.
Relative dating
Gene flow
Geologic Evolution
that is complementary to a single strand of DNA
45. A base found in DNA (but not in RNA). This base pairs with Adenine.
Monophyletic
Thymine
Ecological Barrier
Petrification
46. Breeding organisms with specific traits in order to produce offspring with identical traits
hydrogen bonds
that is complementary to a single strand of DNA
watson and crick
Artificial selection
47. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
mutation
Vestigial structure
Bottleneck Effect
GATTACA
48. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
Fossil
Adaptive Radiation
Mutation
RNA polymerase
49. Another name for a gene
Independent assortment
Hybrid Infertility
Stasis
Allele
50. Process by which one species gives rise to two or more species
Mutagen
Germ
Common Ancestor
Speciation