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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. How often a form of a gene appears in a gene pool
index fossil
Allele Frequency
Polyploidy
rRNA
2. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
tRNA
3 nucleotides
Monohybrid
index fossil
3. A process that results in an allele having a different probability of remaining in the gene pool compared with that of another allele
embryological evidence
Recombination
Selection
Allele Frequency
4. Any agent that can cause a change in DNA
Hybrid
Mutagen
Sedimentary Rock
Phenotype
5. Change in a DNA sequence that affects genetic information
Species
anticodon
Mutation
transcription
6. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Hybrid
Population
Homologous Structures
Precambrian era
7. Chromosomes that determine the sex of an individual. These are X for female and Y for male. The female egg is an X while the male sperm can be X or Y
Sex Chromosomes
amino acids
RNA polymerase
Founder Effect
8. Process by which an organism is slowly turned to stone as the body is replaced by minerals.
body fossils
Diploid
Thymine
Petrification
9. Recognize and cut DNA at specific sequences usually palindromes
restriction enzyme
Translocation
Gene frequency
Vestigial structure
10. Type of rock made from small pieces of other rocks and organisms pressed together. Source of fossil preservation. Limited radioactive or absolute dating potential.
Duplication
mRNA
Sedimentary Rock
Sequential Evolution
11. A distinct population of a species that varies from other populations of the same species.
Chiasma
Coevolution
vestigial (Evolution Evidence)
Sub - species
12. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
Mold
Insertion
Sedimentary Rock
Chiasma
13. Group of similar organisms that can breed and produce fertile offspring
Species
Gene mutation
Hominid
Ecological (habitat) Isolation
14. Even if the gametes of the two species meet - fertilization does not occur
Testcross
Gamete Isolation
Vestigial structure
Genome
15. Hybrid is sterile so biologically unfit
Hybrid Infertility
Endemic
Species
Ice
16. Is the evolutionary process whereby a population becomes better suited to its habitat
Adaptation
Duplication
Medel worked with _____
translation
17. Any preserved remains of an organism from the past. Usually found in sedimentary rock.
Adaptive Radiation
Gene flow
Fossils
Selection pressure
18. Movement of alleles into or out of a population due to the migration of individuals to or from the population
Hybrid Breakdown
Punctuated Equilibrium
Stasis
Gene flow
19. The gradual changes in gene frequencies in a population due to random events
Genetic Drift
Monohybrid Cross
homologous (Evolution Evidence)
Recombination
20. An evolutionary 'branch' and its daughter 'twigs'
gel electrophoresis
Heterozygous
Monohybrid Cross
Clade
21. 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.
Hominid
Natural Selection
Precambrian era
Founder effect
22. Movement of organisms ro of from a population
Artificial selection
Migration
restriction enzymes - sticky ends
Mass Extinction
23. 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.
Genotype
Phenotype
Coevolution
Igneous and metamorphic rock
24. Organ that serves no useful function in an organism
Vestigial organs
rRNA
index fossil
Haploid/Monoploid
25. 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.
Dominant
Chromosome mutation
Insertion
its negative charge
26. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
Phyletic Gradualism (anagenesis)
three
Histone
Dominant
27. 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.
Gametic
Absolute dating
Niche
Directional Selection
28. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Insertion
nucleus
Histone
Geographical Isolation
29. The type of environment in which an organism or group normally lives or occurs
mRNA
Environment
Habitat
Mendel's Principle of Segregation
30. Messenger RNA; type of RNA that carries instructions from DNA in the nucleus to the ribosome
ribose - phosphate - and a base
Homozygous
mRNA
genes
31. The formation of new species as a result of evolution
Comparative anatomy
Speciation
Hybrid Breakdown
transcription
32. Determined the complete double helical structure of DNA
watson and crick
genes
introns
DNA fingerprint
33. Describes a cell - nucleus - or organism that has only one set of unpaired chromosomes
Haploid/Monoploid
mutation
Species
Genetic Drift
34. Form of reproductive isolation in which structural differences in the anatomy of reproductive organs prevent sperm transfer between individuals of different species
RNA polymerase
Mechanical (morphological) Isolation
Hybrid Breakdown
nucleotides
35. Process by which a ribosome uses the code on mRNA to make proteins
translation
Punctuated Equilibrium
Histone
Microevolution
36. Physical characteristics of an organism based on its genotype. e.g. Plant that has a genotype of TT will have a phenotype of Tall.
Monohybrid Cross
Phenotype
Mass Extinction
mutation
37. Mating of 2 oism that differ in 2 characters
replication
mutation
Extinction
Dihybrid Cross
38. Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
nucleus
Natural Selection
Deletion
Translocation
39. Describes the existence of a prezygotic reproductive barrier between two species as a result of them occupying or breeding in different habitats within the same general geographical area
Relative dating
Mutation
Double Helix
Ecological (habitat) Isolation
40. Dna moves during electrophoresis because of...
replication
its negative charge
Allopatric Speciation
Temporal Isolation
41. Change in allele frequencies as a result of the migration of a small subgroup of a population
DNA
Stabilising
Industrial Melanism
Founder Effect
42. The specific location of a gene on a chromosome
Evolution
Chromosome mutation
amino acids
Locus
43. Change to a chromosome in which a fragment of one chromosome attaches to a nonhomologous chromosome
Absolute dating
Homologous structures
If you lose one then you will still have one to back you up.
Translocation
44. 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
Natural Selection
Mendel's Principle of Segregation
index fossil
Genetic Drift
45. Is a base found in DNA and RNA. In DNA its partner is Thymine. In RNA its partner is Uracil
Diploid
Phenotype
Adenine
Evo Devo
46. When competition causes two closely related species to become more different in regions where their ranges overlap
Vestigial structure
Character Displacement
nucleus
Double Helix
47. Method of replication that implies that each new strand of DNA is half original and half new
Semi - conservative replication
mutation
Evo Devo
Bottle neck effect
48. A limb with five digits (fingers)
Analogous structures
False RNA
genes
Pentadactyl limb
49. One of the identical rods of a chromosome.
mRNA
Extinction
Autosomes
Chromatid
50. In the event of a sperm fertilizing an egg of another species - mechanisms that prevent result being fruitful
Post -zygotic Mechanisms
Heterozygote
geologic time scale
Isolating Mechanism