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Test your basic knowledge |
CSET Genetics And Evolution
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Subjects
:
cset
,
science
,
genetics
Instructions:
Answer 50 questions in 15 minutes.
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study here
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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. A taxon originating from and including a single common ancestor
rRNA
Mutagen
Monophyletic
Homologous pair
2. The adaptive increase in pigmentation as a result of human - induced pollutants
its negative charge
genes
Industrial Melanism
Natural Selection
3. The movement of individuals into an area
Population
Ring Species
Homozygous
Immigration
4. Periods of rapid evolution punctuated by periods of little change
Test Cross
Population
Chromatid
Punctuated Equilibrium
5. Genes contain instructions for assembling
Heritable variation
Fossil
Mitosis
proteins
6. 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
Adenine
Allopatric Speciation
index fossil
mutation
7. The offspring of a cross between two inbred lines within a single species. May also refer to the offspring of across between two species
Sedimentary Rock
False genes
Hybrid
Vestigial structure
8. T or F If a nucleic acid contain uracil it is DNA
Crossing over
Genotype
Bottleneck Effect
False RNA
9. A mutation in which one nucleotide is replaced by another nucleotide
Substitution
chromatin
hydrogen bonds
Adaptation
10. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
Adaptation
watson and crick
amino acid
Evolution
11. Speciation which does not involve a period of geographical separation
Comparative embryology
cytosine in DNA is about equal to the percentage of guanine molecules
Fossil
Sympatric Speciation
12. When competition causes two closely related species to become more different in regions where their ranges overlap
Character Displacement
Alleles
Mendel's traits are now called _____ found on DNA
gel electrophoresis
13. Innate trait; shared ancestry
Phylogeny
Geographical Isolation
Immigration
homologous (Evolution Evidence)
14. 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.
Homologous structures
Homozygous
chromatin
proteins
15. A DNA double helix is held together in the center by between nitrogenous bases
Heterozygous
Mass Extinction
hydrogen bonds
Evolution
16. Evolution of the earth - which is hypothesized to have been formed over 4.6 billion years ago.
Geologic Evolution
tRNA
Fossils
Heterozygote
17. Selection for the ability to obtain a mate
Mutagen
deoxyribose and phosphate
Analogous Structures (analogies)
Sexual Selection
18. Change in a DNA sequence that affects genetic information
Germ
Mutation
thymine
Petrification
19. A body cell
introns
Bottle neck effect
Niche
Somatic
20. Evolution of living things - based on evidence from the past and present.
Phylogeny
Petrification
Mesozoic era
Organic Evolution
21. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
DNA
False RNA
Ring Species
Haploid/Monoploid
22. DNA is made of...
Genetic Drift
Phenotype
nucleotides
Molecular biology
23. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Precambrian era
Sequential Evolution
The cell uses information from mRNA to produce proteins
Variation
24. An episode of large - scale extinction affecting many different groups of organisms within a short period of time
Germ
codon
Mass Extinction
rRNA
25. 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.
Relative dating
Genetic Drift
Petrification
Sedimentary Rock
26. An organism that has characteristics resulting from chromosomal alteration. This is a result of crossing over of the chromosomes during Meiosis - mutations and random segregation.
true
Precambrian era
Variation
Hershey and Chase
27. 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
Independent assortment
Punctuated Equilibrium
Fitness
Paleozoic era
28. Change to a chromosome in which a fragment of the chromosome is removed
analogous (Evolution Evidence)
molecular evidence
Homologous pair
Deletion
29. Gradual evolution within a lineage
Extinction
Vestigial structure
chromatin
Sequential Evolution
30. T or F A cloned organism has the same proteins as another organism
Mutagen
molecular evidence
index fossil
False genes
31. Building block of a protein
rRNA
amino acid
Nucleotide
mutation
32. 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.
Genetic Drift
Relative dating
restriction enzymes - sticky ends
Founder effect
33. Separates DNA by size
gel electrophoresis
trace fossils
Monohybrid
Homozygote
34. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
GATTACA
Selection pressure
Mutation
Molecular biology
35. Trait evolves overtime; NO common ancestry
analogous (Evolution Evidence)
RNA polymerase
introns
Clade
36. Cross where you cross unknown genotype with a recessive
GATTACA
Test Cross
Punnett Square
trace fossils
37. A model for the evolution of different froms over a long period of time but with only slight chchanges occring between successive generations
Directional Selection
Phyletic Gradualism (anagenesis)
Immigration
Natural Selection
38. 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.
False genes
Homozygote
Mitosis
Genotype
39. Used radioactive sulfur and radioactive phosphorus to determine that DNA is the genetic material - by demonstrating that it is DNA that is injected by bacteriophages into bacterial cells during infection
Chiasma
If you lose one then you will still have one to back you up.
Hershey and Chase
Gene Flow
40. Change to a chromosome in which a fragment of one chromosome attaches to a nonhomologous chromosome
index fossil
Sub - species
Microevolution
Translocation
41. Ribosomes are made of...
Extinction
Natural Selection
Thymine
rRNA
42. Is the genetic makeup of an organism (TT or Tt) ; All the combinations of genes you have for a certain trait.
codon
Isolating Mechanism
Gene
Genotype
43. Speciation preceded by a period of geographical isolation
Variation
Hybrid Inviability
Microevolution
Allopatric Speciation
44. Recognize and cut DNA at specific sequences usually palindromes
Evo Devo
restriction enzyme
Post -zygotic Mechanisms
Homologous structures
45. These prevent fertilization between species e.g. diff breeding season - mating behaviour
Gene Pool
genes
Bottle neck effect
Pre -zygotic Mechanisms
46. Separation of species or populations so that they cannot interbreed and produce fertile offspring
Ring Species
Reproductive Isolation
Molecular biology
Heterozygous
47. Organ no longer serves a function
polypeptide
Rosalind Franklin
vestigial (Evolution Evidence)
Species
48. The complete genetic material contained in an individual
Genome
mutation
If you lose one then you will still have one to back you up.
Independent assortment
49. Organisms with similar functions - but different underlying structure. Example: bird and insect wing. These structures do NOT show a common ancestral link.
Nucleotide
Character Displacement
stop codon
Analogous structures
50. A nucleotide of RNA is made of...
ribose - phosphate - and a base
Centromere
replication
cytosine in DNA is about equal to the percentage of guanine molecules
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