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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. In the event of a sperm fertilizing an egg of another species - mechanisms that prevent result being fruitful
Parallel Evolution
The cell uses information from mRNA to produce proteins
Post -zygotic Mechanisms
transcription
2. 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.
Artificial selection
Comparative Anatomy
Variation
homologous (Evolution Evidence)
3. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
Incomplete Dominance
Vestigial structure
its negative charge
Selection
4. The type of environment in which an organism or group normally lives or occurs
deoxyribose and phosphate
Phyletic Gradualism (anagenesis)
GATTACA
Habitat
5. A limb with five digits (fingers)
transcription
Nucleotide
Pentadactyl limb
Meiosis
6. A body cell
Genome
Somatic
If you lose one then you will still have one to back you up.
Vestigial organs
7. What does DNA stand for...
Bottleneck Effect
deoxyribonucleic acid
Codon
Sub - species
8. A type of natural selection in which genetic diversity decreases as the population stabilises on a particular trait value
Stabilising selection
deoxyribonucleic acid
Molecular biology
Meiosis
9. Even if the gametes of the two species meet - fertilization does not occur
Duplication
Pentadactyl limb
Character Displacement
Gamete Isolation
10. Independent segregation of genes during the formation of gametes
Ecological Barrier
Homozygous
Genetic Drift
Independent assortment
11. All the factors in an organism's surroundings that can potentially affect it
Stabilising
Chromosome mutation
Environment
Comparative Embryology
12. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
amino acids
trace fossils
Mesozoic era
Monophyletic
13. The specific location of a gene on a chromosome
Adaptation
Locus
Mutation
Centromere
14. Hybrid is sterile so biologically unfit
Dominant
Locus
Hybrid Infertility
Medel worked with _____
15. Organ no longer serves a function
Migration
Ecological (habitat) Isolation
Geologic Evolution
vestigial (Evolution Evidence)
16. 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
Endemic
Natural Selection
Somatic
Comparative embryology
17. Middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs - rise of flowering plants
Codon
Gametic
Mesozoic era
Paleozoic era
18. The condition in which there is no change in allele frequencies from generation to generation (i.e. no evolution)
Genetic Equilibrium
Incomplete Dominance
Speciation
Isolating Mechanism
19. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
GATTACA
Igneous and metamorphic rock
Cytosine
Adaptive Radiation
20. Chromosomes are collections of many
Evo Devo
Phenotype
genes
Allele Frequency
21. A population partially isolated from other populations of the same species
Insertion
mutation
Genotype
Deme
22. Two alternative forms of a gene e.g Tall vs Short
Monohybrid
Alleles
Analogous Features
Allele
23. Movement of organisms ro of from a population
Gamete Isolation
body fossils
Somatic
Migration
24. Consists of all genes - including all the different alleles - that are present in a population
Gene pool
Analogous structures
genes
Dominant
25. 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.
Mate Selection
Stabilising
homologous (Evolution Evidence)
index fossil
26. Building block of a nucleic acid (DNA and RNA)
nucleotide
Paleozoic era
Cenozoic era
Medel worked with _____
27. The backbone of DNA consist of...
deoxyribose and phosphate
Chromosome mutation
Parallel Evolution
Post -zygotic Mechanisms
28. Which type of Rna functions as a blue print of the genetic code
Natural Selection
Geographical Isolation
mRNA
Allele
29. A change in the base sequence of DNA; the ultimate source of new alleles
Nucleotide
Mutation
Macroevolution
Heritable variation
30. The final product of transcription is...
Chargaff
mRNA
Temporal Isolation
Divergent Evolution
31. When chromosome is changed by radiation and chemicals - results a permanent structural change in the chromosome - which will no longer be able to pair with its homologous pair. Eg - deletion - duplication - inversion and translocation.
proteins
Chromosome mutation
Gene flow
Comparative Embryology
32. Organism is preserved at very low temperatures. Preservation of both hard and soft parts can occur.
Ice
Hybrid Infertility
Haploid/Monoploid
Hybrid
33. DNA is made of...
Directional Selection
nucleotides
Dominant
Founder effect
34. 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.
tRNA
Fossil
Gene
tRNA
35. Found only in that country
Vestigial structure
Test Cross
Endemic
Fossil
36. Determined the complete double helical structure of DNA
watson and crick
Cenozoic era
Organic Evolution
Comparative anatomy
37. A small simple structure (as a fertilized egg) from which new tissue can develop into a complete organism. It is also a cell
Testcross
Vestigial structure
Genotype
Germ
38. The reduction of a population - typically by a natural disaster - such that the surviving population is no longer genetically representative of the original population.
Allele Frequency
Punnett Square
Bottleneck Effect
Heterozygous
39. 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
Character Displacement
embryological evidence
Analogous Structures (analogies)
RNA polymerase
40. Human - like species that existed millions of years ago as witnessed through fossil evidence.
Mate Selection
Founder Effect
homologous (Evolution Evidence)
Hominid
41. Type of rock made from small pieces of other rocks and organisms pressed together. Source of fossil preservation. Limited radioactive or absolute dating potential.
true
Sedimentary Rock
Somatic
Endemic
42. Three mRNA nucleotides that code for a specific amino acid
Chargaff
Insertion
Coevolution
codon
43. Visual expression of a trait
Germ
polypeptide
tRNA
Phenotype
44. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
stop codon
Mutation
tRNA
Nucleotide
45. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Hershey and Chase
mRNA
Gene mutation
Geographical Isolation
46. Nucleotides that control which amino acids are added during protein synthesis
Monohybrid
Homozygote
amino acids
Codon
47. A DNA double helix is held together in the center by between nitrogenous bases
replication
hydrogen bonds
Hershey and Chase
Hominid
48. Transfer RNA; type of RNA that carries amino acids to the ribosome
Allopatric Speciation
Chiasma
tRNA
Mold
49. Type of sympatric speciation that occurs when a new species is formed because of a change in microhabitats
Stasis
NIche Isolation
Incomplete Dominance
Gene mutation
50. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
DNA fingerprint
Substitution
Convergent Evolution
Precambrian era