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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. Similar DNA sequences or protein structures (such as hemoglobin) may link different species to a similar ancestor.
tRNA
molecular evidence
stop codon
DNA
2. The reduction of a population - typically by a natural disaster - such that the surviving population is no longer genetically representative of the original population.
Hominid
Nucleotide
Bottleneck Effect
Species
3. Similar embryological structures in different species - such as gill slits - may demonstrate that these species share a common ancestor.
embryological evidence
Alleles
rRNA
Gene Flow
4. 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.
replication
Stabilising
Relative dating
Absolute dating
5. Innate trait; shared ancestry
Gene mutation
homologous (Evolution Evidence)
anticodon
Habitat
6. Any preserved remains of an organism from the past. Usually found in sedimentary rock.
Homozygous
Fossils
Igneous and metamorphic rock
GATTACA
7. How often a particular gene occurs in the population
Locus
Behavioral (ethological) Isolation
Semi - conservative replication
Gene frequency
8. How often a form of a gene appears in a gene pool
Founder effect
Semi - conservative replication
body fossils
Allele Frequency
9. Visual expression of a trait
Phenotype
Sympatric Speciation
Molecular biology
Niche
10. 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
Bottle neck effect
Comparative embryology
Convergent Evolution
11. Pea plants
DNA
Absolute dating
Heterozygote
Medel worked with _____
12. 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.
Genetic Drift
transcription
Absolute dating
Incomplete Dominance
13. 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
Crossing over
Evo Devo
watson and crick
Fitness
14. 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
Endemic
Independent assortment
Heterozygote
15. Synonym for protein; chain of amino acids
Migration
Homozygous
polypeptide
mRNA
16. Predicts the possible outcome of a genetic cross.
Sexual Selection
Punnett Square
transcription
Natural Selection
17. Large - scale evolutionary changes that take place over long periods of time
Macroevolution
Gene frequency
Punnett Square
Variation
18. Cell division in which the nucleus divides into nuclei containing the same number of chromosomes. Mitosis involves growth and repair and occurs in the body cells.
Comparative Embryology
amino acid
Genetic Drift
Mitosis
19. A combining of genes or characters different from what they were in the parents
Recombination
Adaptation
Genetic Drift
Convergent Evolution
20. The movement of genes between populations as a result of mating of migration
Species
Species
Behavioral (ethological) Isolation
Gene Flow
21. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
Character Displacement
restriction enzymes - sticky ends
Guanine
Adaptation
22. Transcrition occurs in the...
Sexual Selection
The cell uses information from mRNA to produce proteins
nucleus
Adenine
23. Natural disaster eliminates most of the population - members left contribute the alleles for the new population.
stop codon
Allele Frequency
nucleotide
Bottle neck effect
24. 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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25. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
DNA
Incomplete Dominance
Species
mutation
26. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
NIche Isolation
hydrogen bonds
Niche
Histone
27. The specific location of a gene on a chromosome
Locus
Homozygote
Stabilising selection
Heterozygous
28. Inherited feature that tends to prevent species from interbreeding with other species
Analogous Features
Guanine
Punnett Square
Isolating Mechanism
29. In the event of a sperm fertilizing an egg of another species - mechanisms that prevent result being fruitful
Incomplete Dominance
Post -zygotic Mechanisms
Meiosis
Directional Selection
30. Natural selection that causes the frequency of a particular allele to move in one direction
Absolute dating
Homologous structures
mRNA
Directional Selection
31. The study relating the evolution of new charateristics to changes in the genes controlling development
Homologous pair
Diploid
Evo Devo
transcription
32. Two alternative forms of a gene e.g Tall vs Short
DNA fingerprint
Heterozygous
Alleles
Coevolution
33. Periods of rapid evolution punctuated by periods of little change
NIche Isolation
Ecological Barrier
Punctuated Equilibrium
Gametic
34. Impression made from a organism in soft material such as sand or mud.
Homologous structures
tRNA
Mutation
Mold
35. Type of rock made from small pieces of other rocks and organisms pressed together. Source of fossil preservation. Limited radioactive or absolute dating potential.
Speciation
Sedimentary Rock
Chromosomes
Speciation
36. Selection acting against the middle of a range of variation
Disruptive Selection
Heterozygous
amino acids
Phenotype
37. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
Dominant
Diploid
Vestigial structure
trace fossils
38. Type of sympatric speciation that occurs when a new species is formed because of a change in microhabitats
Gene frequency
Pre -zygotic Mechanisms
NIche Isolation
three
39. A base found in DNA (but not in RNA). This base pairs with Adenine.
Environment
Ring Species
Stabilising
Thymine
40. The adaptive increase in pigmentation as a result of human - induced pollutants
Monohybrid Cross
Gene frequency
Industrial Melanism
embryological evidence
41. Consists of all genes - including all the different alleles - that are present in a population
Gene pool
Variation
Alleles
Phenotype
42. The movement of individuals into an area
Adaptation
Immigration
deoxyribonucleic acid
restriction enzyme
43. Separates DNA by size
gel electrophoresis
Endemic
Stabilising
Somatic
44. Organisms with a similar underlying structure - but different function. Example: bird - bat and dolphin 'arm'. Shows a common ancestral link.
Substitution
3 nucleotides
Chromosomes
Homologous structures
45. 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
watson and crick
DNA
Temporal Isolation
Chromosomes
46. Mating of an individual of unknown genotype but dominant phenotype w/ a homozygous recessive individual
Vestigial structure
Ecological (habitat) Isolation
Testcross
Genotype
47. The enzyme that binds to the promoter region of a gene during transcription is called...
Divergent Evolution
Mechanical (morphological) Isolation
RNA polymerase
Genetic Drift
48. The final product of transcription is...
mRNA
DNA
Test Cross
Macroevolution
49. The condition in which there is no change in allele frequencies from generation to generation (i.e. no evolution)
Allele
rRNA
Genetic Equilibrium
mRNA
50. Form of reproductive isolation in which tere are differences in species courtship behavior
mRNA
Sequential Evolution
gel electrophoresis
Behavioral (ethological) Isolation