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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. Organ no longer serves a function
Mass Extinction
clinC
vestigial (Evolution Evidence)
Evo Devo
2. The movement of individuals into an area
restriction enzymes - sticky ends
Immigration
Germ
Dominant
3. Individual that is heterozygous for two traits; shows the phenotype governed by the dominant alleles but carries the recessive alleles
Alleles
Gene mutation
Dihybrid
Coevolution
4. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
Evolution
Hominid
Biogeography
Convergent Evolution
5. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
Evolution
geologic time scale
Fitness
Crossing over
6. A change in the base sequence of DNA; the ultimate source of new alleles
Geologic Evolution
Test Cross
Mutation
Monohybrid Cross
7. When zygote does not complete development or is physically weaker than normal
Genetic Equilibrium
Hybrid Inviability
Monohybrid Cross
Immigration
8. When competition causes two closely related species to become more different in regions where their ranges overlap
cytoplasm
Character Displacement
Test Cross
Punctuated Equilibrium
9. Organisms with a similar underlying structure - but different function. Example: bird - bat and dolphin 'arm'. Shows a common ancestral link.
its negative charge
Sympatric Speciation
Homologous structures
transcription
10. The study of the structures of different organisms - looking at homologous parts
Bottleneck Effect
Comparative Anatomy
Analogous structures
trace fossils
11. One of the identical rods of a chromosome.
Dihybrid
Sympatric Speciation
Chromatid
Genotype
12. Three dimensional shape of organism made from a mold. May be created with plaster or over time with minerals.
Cast
Biogeography
Species
three
13. Trait evolves overtime; NO common ancestry
Germ
Dominant
analogous (Evolution Evidence)
introns
14. 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.
body fossils
Gametic
Gene
RNA polymerase
15. A population partially isolated from other populations of the same species
Chromatid
DNA
Gene
Deme
16. The evolutionary history/geneology of a group of organisms (a tree thingy)
Thymine
Phylogeny
chromatin
Geologic Evolution
17. 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
Population
Analogous Structures (analogies)
Genetic Equilibrium
Gametic
18. Form of reproductive isolation in which structural differences in the anatomy of reproductive organs prevent sperm transfer between individuals of different species
Mechanical (morphological) Isolation
watson and crick
mRNA
Gene
19. Form of reproductive isolation in which tere are differences in species courtship behavior
Hybrid Infertility
Gene mutation
transcription
Behavioral (ethological) Isolation
20. Embryos of similar organisms have very similar early development indicating similar DNA at work
Artificial selection
Comparative Embryology
Insertion
Monophyletic
21. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Geographical Isolation
tRNA
Coevolution
Genetic Drift
22. A change or error in the DNA sequence
translation
RNA polymerase
Alleles
mutation
23. A taxon originating from and including a single common ancestor
Amber
Monophyletic
Isolating Mechanism
Hybrid Breakdown
24. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
Homologous Structures
Gene Flow
Extinction
trace fossils
25. A unique combination of traits that are passed down from one generation to another.
Heritable variation
Semi - conservative replication
Monohybrid Cross
Test Cross
26. Disappearance of a species from all parts of its geographical range
Phenotype
Deme
cytosine in DNA is about equal to the percentage of guanine molecules
Extinction
27. Even if the gametes of the two species meet - fertilization does not occur
Gene mutation
Immigration
Gamete Isolation
Selection pressure
28. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
body fossils
Allele Frequency
If you lose one then you will still have one to back you up.
Amber
29. Speciation preceded by a period of geographical isolation
Adenine
Allopatric Speciation
Meiosis
Homologous structures
30. Large - scale evolutionary changes that take place over long periods of time
Adaptive Radiation
trace fossils
Cenozoic era
Macroevolution
31. Features that are superficially similar but have different modes of development
Habitat
Precambrian era
Analogous Structures (analogies)
Analogous Features
32. Is a base found in DNA and RNA. In DNA its partner is Thymine. In RNA its partner is Uracil
Adenine
Mendel's traits are now called _____ found on DNA
index fossil
embryological evidence
33. A base found in DNA (but not in RNA). This base pairs with Adenine.
Organic Evolution
Chromatid
Migration
Thymine
34. The study relating the evolution of new charateristics to changes in the genes controlling development
Evo Devo
Bottle neck effect
Deletion
Mold
35. All the factors in an organism's surroundings that can potentially affect it
Dihybrid
Microevolution
Environment
Fossils
36. A codon is made of...
Recombination
Mitosis
3 nucleotides
Substitution
37. Two alternative forms of a gene e.g Tall vs Short
Absolute dating
Alleles
Genetic Equilibrium
vestigial (Evolution Evidence)
38. What is one benefit for having two strands of DNA?
If you lose one then you will still have one to back you up.
Mate Selection
Hybrid Infertility
Fossils
39. 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
DNA
introns
Guanine
Chromatid
40. DNA that is coiled around proteins
Diploid
chromatin
Recessive
DNA
41. DNA is made of...
vestigial (Evolution Evidence)
tRNA
Adaptation
nucleotides
42. Dna moves during electrophoresis because of...
its negative charge
body fossils
Duplication
Codon
43. The type of environment in which an organism or group normally lives or occurs
Habitat
Homozygous
Migration
Deme
44. Nucleotides that control which amino acids are added during protein synthesis
Fossils
Codon
hydrogen bonds
Immigration
45. Mating of 2 oism that differ in 2 characters
Dihybrid Cross
Gene pool
analogous (Evolution Evidence)
Deme
46. The preserved remains or traces of an organism that lived in the past
Gamete Isolation
Character Displacement
Genome
Fossil
47. Method of replication that implies that each new strand of DNA is half original and half new
Common Ancestor
Haploid/Monoploid
False RNA
Semi - conservative replication
48. Gradual evolution within a lineage
translation
Stabilising selection
Directional Selection
Sequential Evolution
49. What happens during the process of translation
Mesozoic era
The cell uses information from mRNA to produce proteins
Petrification
Sedimentary Rock
50. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic
Relative dating
Niche
geologic time scale
Genetic Equilibrium