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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. Process by which an organism is slowly turned to stone as the body is replaced by minerals.
deoxyribose and phosphate
Allopatric Speciation
RNA polymerase
Petrification
2. 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.
Mesozoic era
watson and crick
Gene
Cytosine
3. Another name for a gene
Phenotype
Absolute dating
The cell uses information from mRNA to produce proteins
Allele
4. Nucleotides that control which amino acids are added during protein synthesis
Codon
Independent assortment
Thymine
Centromere
5. Condition in which an organism has extra sets of chromosomes
Analogous structures
Gamete Isolation
Phylogeny
Polyploidy
6. In the event of a sperm fertilizing an egg of another species - mechanisms that prevent result being fruitful
Cytosine
Post -zygotic Mechanisms
The cell uses information from mRNA to produce proteins
Geologic Evolution
7. The gradual changes in gene frequencies in a population due to random events
Genetic Drift
Migration
homologous (Evolution Evidence)
Monohybrid Cross
8. Organisms with a similar underlying structure - but different function. Example: bird - bat and dolphin 'arm'. Shows a common ancestral link.
If you lose one then you will still have one to back you up.
Selection pressure
Homologous structures
Founder effect
9. A change or error in the DNA sequence
Homologous structures
mutation
analogous (Evolution Evidence)
Mass Extinction
10. Cross where you cross unknown genotype with a recessive
tRNA
Heterozygote
Test Cross
Evolution
11. Describes a cell - nucleus - or organism that has only one set of unpaired chromosomes
Genotype
Haploid/Monoploid
deoxyribose and phosphate
nucleotide
12. The condition in which there is no change in allele frequencies from generation to generation (i.e. no evolution)
Genetic Equilibrium
genes
Industrial Melanism
Petrification
13. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
trace fossils
Autosomes
Clade
Deletion
14. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
If you lose one then you will still have one to back you up.
restriction enzymes - sticky ends
Substitution
Isolating Mechanism
15. T or F A cloned organism has the same proteins as another organism
transcription
False genes
Autosomes
Rosalind Franklin
16. These prevent fertilization between species e.g. diff breeding season - mating behaviour
Geologic Evolution
Pre -zygotic Mechanisms
3 nucleotides
codon
17. Different alleles for a gene
Heterozygote
The cell uses information from mRNA to produce proteins
Gene pool
watson and crick
18. Movement of organisms ro of from a population
Homozygote
anticodon
Precambrian era
Migration
19. Types of rocks formed after exposure to very high heat. Because of the high temperatures - fossils are not able to be recovered from these types of rocks. Absolute or radioactive dating is possible - however.
Medel worked with _____
Igneous and metamorphic rock
Homologous pair
nucleotide
20. A group of organisms of the same species occupying a given area.
Pentadactyl limb
Population
Divergent Evolution
replication
21. When zygote does not complete development or is physically weaker than normal
trace fossils
Bottle neck effect
Hybrid Inviability
Temporal Isolation
22. The offspring of a cross between two inbred lines within a single species. May also refer to the offspring of across between two species
restriction enzyme
Environment
Hybrid
Migration
23. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
Genetic Equilibrium
Duplication
Incomplete Dominance
Heterozygous
24. The banding pattern of a persons DNA after being cut and run on gel is called
If you lose one then you will still have one to back you up.
Gametic
DNA fingerprint
Comparative Anatomy
25. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
Convergent Evolution
Punctuated Equilibrium
Stabilising
Mendel's traits are now called _____ found on DNA
26. The evolutionary process by which a species becomes better suited to its niche.
Adaptation
restriction enzymes - sticky ends
Common Ancestor
Homozygous
27. Change to a chromosome in which a fragment of the chromosome is removed
Variation
Comparative Embryology
Deletion
Coevolution
28. process in which homologous chromosomes exchange portions of their chromatids during meiosis.
Crossing over
Behavioral (ethological) Isolation
Comparative Anatomy
If you lose one then you will still have one to back you up.
29. Geologic period that followed the Precambrian;means 'ancient life' - early life (570-286 million years ago); single cell organisms - shells - mollusks - rise of first vertebrates - rise of land plants - amphibians - insects - seed plants - and trees
Paleozoic era
Test Cross
Adenine
nucleotide
30. Transcrition occurs in the...
Monohybrid Cross
nucleus
Industrial Melanism
Duplication
31. Which type of Rna functions as a blue print of the genetic code
mRNA
Paleozoic era
Bottleneck Effect
Vestigial organs
32. 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.
Test Cross
Molecular biology
polypeptide
GATTACA
33. Synonym for protein; chain of amino acids
polypeptide
Variation
Geologic Evolution
trace fossils
34. 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.
Mitosis
Heterozygous
Macroevolution
Hershey and Chase
35. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
RNA polymerase
Gene pool
Histone
molecular evidence
36. 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.
False RNA
Medel worked with _____
Founder effect
transcription
37. Change to a chromosome in which part of the chromosome is repeated
Homozygote
Test Cross
Duplication
Homozygous
38. Change in allele frequencies as a result of the migration of a small subgroup of a population
Guanine
watson and crick
Allele Frequency
Founder Effect
39. Three mRNA nucleotides that code for a specific amino acid
Artificial selection
rRNA
codon
Genotype
40. Is the evolutionary process whereby a population becomes better suited to its habitat
Relative dating
Artificial selection
Natural Selection
Adaptation
41. Because of base pairing in DNA the amount of
Sedimentary Rock
cytosine in DNA is about equal to the percentage of guanine molecules
Evo Devo
Mitosis
42. 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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43. Organ that serves no useful function in an organism
Clade
Analogous Features
Artificial selection
Vestigial organs
44. What is one benefit for having two strands of DNA?
Bottle neck effect
Heterozygous
Dominant
If you lose one then you will still have one to back you up.
45. The movement of individuals into an area
Ecological (habitat) Isolation
Heterozygous
Dominant
Immigration
46. Structure present in an organism however does NOT have a known function. May link organisms with similar vestigial structures. Example: appendix - coccyx bone - whale leg bones.
Vestigial structure
Chargaff
Deme
Comparative Anatomy
47. 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.
introns
Petrification
Hybrid
Relative dating
48. Independent segregation of genes during the formation of gametes
three
its negative charge
Independent assortment
Temporal Isolation
49. 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
Nucleotide
Pre -zygotic Mechanisms
Natural Selection
Founder Effect
50. 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
Precambrian era
gel electrophoresis
Analogous Structures (analogies)
Punnett Square