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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. Era of recent life that began about 66 million years ago and continues today; includes the first appearance Hominids
Cenozoic era
tRNA
Coevolution
Genetic Drift
2. The enzyme that binds to the promoter region of a gene during transcription is called...
Isolating Mechanism
RNA polymerase
Temporal Isolation
its negative charge
3. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic
Character Displacement
amino acid
geologic time scale
Diploid
4. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
tRNA
Dominant
trace fossils
DNA
5. Nucleotides that control which amino acids are added during protein synthesis
deoxyribonucleic acid
Geologic Evolution
Codon
Genetic Drift
6. Movement of alleles into or out of a population due to the migration of individuals to or from the population
amino acids
Igneous and metamorphic rock
Gene flow
analogous (Evolution Evidence)
7. Similar embryological structures in different species - such as gill slits - may demonstrate that these species share a common ancestor.
embryological evidence
Dihybrid
Allele Frequency
Stabilising
8. The study of the past and present distribution of species.
Heritable variation
Biogeography
Homologous pair
mutation
9. Cell division that produces reproductive cells or gamates.This occurs in the gonads (testicle and ovaries in animals) Here the chromosome number is halved the original amount. (each new cell has a haploid number = n) All daughter cells are not geneti
Endemic
Species
Meiosis
Genotype
10. Is any chromosome that is not a sex chromosome.
cytoplasm
Paleozoic era
Autosomes
Molecular biology
11. A pairing where the parent plants differ in only one character.
ribose - phosphate - and a base
Monohybrid Cross
Mate Selection
Hominid
12. Change in allele frequencies as a result of the migration of a small subgroup of a population
Founder Effect
Convergent Evolution
Extinction
Natural Selection
13. Mating of an individual of unknown genotype but dominant phenotype w/ a homozygous recessive individual
transcription
Mendel's traits are now called _____ found on DNA
Polyploidy
Testcross
14. Two alternative forms of a gene e.g Tall vs Short
Gene frequency
Directional Selection
Alleles
Dihybrid
15. Determined the complete double helical structure of DNA
watson and crick
Homozygous
Histone
Gene Flow
16. DNA that is coiled around proteins
DNA fingerprint
Alleles
chromatin
Translocation
17. Which type of Rna functions as a blue print of the genetic code
DNA fingerprint
Reproductive Isolation
mRNA
Petrification
18. Type of rock made from small pieces of other rocks and organisms pressed together. Source of fossil preservation. Limited radioactive or absolute dating potential.
rRNA
Phyletic Gradualism (anagenesis)
Sedimentary Rock
Deme
19. Individual that is heterozygous for two traits; shows the phenotype governed by the dominant alleles but carries the recessive alleles
amino acid
Dihybrid
Adaptation
analogous (Evolution Evidence)
20. Situation in which allele frequencies remain constant
cytosine in DNA is about equal to the percentage of guanine molecules
Microevolution
chromatin
Genetic Equilibrium
21. Natural selection that causes the frequency of a particular allele to move in one direction
Comparative Anatomy
its negative charge
Mendel's traits are now called _____ found on DNA
Directional Selection
22. A taxon originating from and including a single common ancestor
tRNA
Dihybrid Cross
Monophyletic
Genetic Drift
23. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Monophyletic
Geographical Isolation
Cast
False genes
24. The evolutionary process by which a species becomes better suited to its niche.
cytoplasm
mRNA
Adaptation
Hybrid Inviability
25. Speciation preceded by a period of geographical isolation
ribose - phosphate - and a base
Niche
Monophyletic
Allopatric Speciation
26. The final product of transcription is...
Immigration
Gene pool
mRNA
Mitosis
27. Periods of rapid evolution punctuated by periods of little change
anticodon
Allele Frequency
Punctuated Equilibrium
codon
28. 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
Adaptation
Gene Pool
cytoplasm
Paleozoic era
29. Found only in that country
Absolute dating
Biogeography
Substitution
Endemic
30. 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.
Stabilising selection
Reproductive Isolation
Relative dating
hydrogen bonds
31. Mutation where an extra base is added
Insertion
homologous (Evolution Evidence)
Cytosine
nucleotide
32. Innate trait; shared ancestry
homologous (Evolution Evidence)
Immigration
The cell uses information from mRNA to produce proteins
Population
33. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
its negative charge
Histone
Mechanical (morphological) Isolation
Hybrid Inviability
34. Predicts the possible outcome of a genetic cross.
Punnett Square
Absolute dating
codon
Speciation
35. Trait where heterozygous is a blending of two alleles
Genotype
Monophyletic
Fitness
Gene flow
36. 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
Speciation
restriction enzymes - sticky ends
Amber
Analogous Structures (analogies)
37. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Semi - conservative replication
rRNA
Homologous Structures
hydrogen bonds
38. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration
Petrification
Dominant
Gene Pool
Alleles
39. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
Adaptive Radiation
Immigration
Gene Flow
tRNA
40. 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.
Homozygous
deoxyribose and phosphate
embryological evidence
Founder effect
41. Selection acting against the middle of a range of variation
Industrial Melanism
tRNA
Disruptive Selection
Insertion
42. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
trace fossils
mRNA
Common Ancestor
Convergent Evolution
43. The type of environment in which an organism or group normally lives or occurs
Deletion
Habitat
Mold
tRNA
44. Impression made from a organism in soft material such as sand or mud.
Founder effect
Mold
Igneous and metamorphic rock
Speciation
45. Any preserved remains of an organism from the past. Usually found in sedimentary rock.
clinC
Locus
Fossils
Natural Selection
46. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
Chiasma
Somatic
Homozygous
Cast
47. 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
vestigial (Evolution Evidence)
Hershey and Chase
Founder Effect
Dominant
48. Three mRNA nucleotides that code for a specific amino acid
Cenozoic era
codon
Independent assortment
chromatin
49. Determined the concept of complementary base pairing
Chargaff
Dihybrid Cross
amino acid
Phenotype
50. An evolutionary 'branch' and its daughter 'twigs'
replication
ribose - phosphate - and a base
Clade
Gene