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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. Large - scale evolutionary changes that take place over long periods of time
Macroevolution
Immigration
Genotype
Recessive
2. An equilibrium in the occurence of two or more different froms within the same population usually caused by different allele combiinations of a gene
Balanced Polymorphism
Adaptive Radiation
Gene flow
DNA fingerprint
3. Similar DNA sequences or protein structures (such as hemoglobin) may link different species to a similar ancestor.
Medel worked with _____
Selection pressure
molecular evidence
Cytosine
4. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Geologic Evolution
Mendel's Principle of Segregation
tRNA
Amber
5. The inherited characteristic often masked by the dominant characteristic and not seen in an organism. e.g. Tt plant will still be tall. Where T is the dominant trait for tall and t is the recessive trait for small.
Recessive
restriction enzyme
body fossils
Polyploidy
6. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Geographical Isolation
Fossils
Behavioral (ethological) Isolation
Amber
7. The comparison of the structures of different organisms
Double Helix
Thymine
Comparative anatomy
deoxyribose and phosphate
8. Are noncoding sequences in the gene that are removed from RNA after transcription
introns
Meiosis
Migration
Punnett Square
9. What is one benefit for having two strands of DNA?
Genetic Equilibrium
Ecological (habitat) Isolation
Immigration
If you lose one then you will still have one to back you up.
10. 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
Haploid/Monoploid
Temporal Isolation
Ring Species
Analogous Structures (analogies)
11. When competition causes two closely related species to become more different in regions where their ranges overlap
Migration
Adaptive Radiation
Heterozygous
Character Displacement
12. 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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13. A population partially isolated from other populations of the same species
deoxyribonucleic acid
Deme
Double Helix
Heritable variation
14. The structure on a tRNA molecule that allows it interact with an mRNA molecule
restriction enzymes - sticky ends
anticodon
analogous (Evolution Evidence)
Mendel's traits are now called _____ found on DNA
15. The preserved remains or traces of an organism that lived in the past
Fossil
Dihybrid Cross
Chiasma
Chromosome mutation
16. The final product of transcription is...
anticodon
Stasis
Cytosine
mRNA
17. The study of the structures of different organisms - looking at homologous parts
Monohybrid
Comparative Anatomy
Homozygous
DNA fingerprint
18. A distinct population of a species that varies from other populations of the same species.
Temporal Isolation
Sub - species
Chargaff
Vestigial structure
19. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
GATTACA
Disruptive Selection
Gene flow
Allopatric Speciation
20. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
Mass Extinction
Comparative anatomy
Evo Devo
Molecular biology
21. Organisms with a similar underlying structure - but different function. Example: bird - bat and dolphin 'arm'. Shows a common ancestral link.
index fossil
Sex Chromosomes
Gene flow
Homologous structures
22. Selection acting against the extremes of a range of variation - resulting in resistance to change in allele frequencies
Population
Stabilising
Deme
Founder effect
23. The study of the past and present distribution of species.
stop codon
Biogeography
Mitosis
tRNA
24. Separates DNA by size
Monophyletic
Gene frequency
gel electrophoresis
cytoplasm
25. Process by which an organism is slowly turned to stone as the body is replaced by minerals.
Gene mutation
Petrification
Incomplete Dominance
Stasis
26. Proteins are made of...
Monophyletic
Thymine
amino acids
RNA polymerase
27. One of the identical rods of a chromosome.
Haploid/Monoploid
Amber
Chromatid
Hershey and Chase
28. The number of times an allele appears in a population
Allele Frequency
Heritable variation
ribose - phosphate - and a base
Duplication
29. Inherited feature that tends to prevent species from interbreeding with other species
Fossils
RNA polymerase
Isolating Mechanism
Homologous pair
30. Group of similar organisms that can breed and produce fertile offspring
embryological evidence
Dominant
codon
Species
31. Disappearance of a species from all parts of its geographical range
Extinction
Allele Frequency
geologic time scale
Relative dating
32. The gradual changes in gene frequencies in a population due to random events
Cenozoic era
Genetic Drift
nucleotide
Ring Species
33. Natural disaster eliminates most of the population - members left contribute the alleles for the new population.
Mechanical (morphological) Isolation
Allele Frequency
Incomplete Dominance
Bottle neck effect
34. DNA that is coiled around proteins
Translocation
mRNA
chromatin
Comparative Embryology
35. Breeding organisms with specific traits in order to produce offspring with identical traits
Artificial selection
Selection
Industrial Melanism
analogous (Evolution Evidence)
36. The enzyme that binds to the promoter region of a gene during transcription is called...
Sympatric Speciation
RNA polymerase
hydrogen bonds
Ice
37. Evolution of living things - based on evidence from the past and present.
Bottleneck Effect
Environment
Crossing over
Organic Evolution
38. Which structure contains anticodons
Sex Chromosomes
Habitat
tRNA
restriction enzyme
39. Determined the concept of complementary base pairing
Gene
Stabilising
codon
Chargaff
40. T or F A cloned organism has the same proteins as another organism
Directional Selection
Punnett Square
False genes
Phylogeny
41. The type of environment in which an organism or group normally lives or occurs
Habitat
Recombination
Hershey and Chase
Homozygote
42. 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.
Comparative Embryology
Homozygous
ribose - phosphate - and a base
Sub - species
43. The reduction of a population - typically by a natural disaster - such that the surviving population is no longer genetically representative of the original population.
Bottleneck Effect
clinC
Environment
Fossils
44. The independant evolution of similar traits - starting from a similar ancestral condition
Punnett Square
Parallel Evolution
Heterozygous
Polyploidy
45. Trait evolves overtime; NO common ancestry
Bottle neck effect
gel electrophoresis
Meiosis
analogous (Evolution Evidence)
46. Innate trait; shared ancestry
embryological evidence
3 nucleotides
homologous (Evolution Evidence)
Mechanical (morphological) Isolation
47. The banding pattern of a persons DNA after being cut and run on gel is called
Chromosomes
Ecological (habitat) Isolation
DNA fingerprint
Analogous structures
48. A type of barrier between species; the species remain isolated because male and femal gametes of the different species cannot fuse - or they die before they unite.
Gametic
Allopatric Speciation
Character Displacement
Translocation
49. 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.
Mutation
Incomplete Dominance
stop codon
Test Cross
50. A change or error in the DNA sequence
mutation
Ecological Barrier
Amber
Sex Chromosomes