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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. Process by which a ribosome uses the code on mRNA to make proteins
Gene
False RNA
translation
Adaptive Radiation
2. Type of sympatric speciation that occurs when a new species is formed because of a change in microhabitats
If you lose one then you will still have one to back you up.
NIche Isolation
Adaptation
Medel worked with _____
3. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration
Gene Pool
nucleotides
Comparative Embryology
Coevolution
4. Three mRNA nucleotides that code for a specific amino acid
Adaptive Radiation
polypeptide
Microevolution
codon
5. A group of organisms of the same species occupying a given area.
Igneous and metamorphic rock
RNA polymerase
Population
Bottleneck Effect
6. Gradual evolution within a lineage
Mass Extinction
Adaptation
Selection pressure
Sequential Evolution
7. When competition causes two closely related species to become more different in regions where their ranges overlap
Character Displacement
tRNA
mutation
Monohybrid
8. A distinct population of a species that varies from other populations of the same species.
Amber
Sub - species
Pentadactyl limb
Phyletic Gradualism (anagenesis)
9. Which structure contains anticodons
tRNA
Adaptation
Balanced Polymorphism
Coevolution
10. Even if the gametes of the two species meet - fertilization does not occur
Clade
Gamete Isolation
The cell uses information from mRNA to produce proteins
RNA polymerase
11. The specific location of a gene on a chromosome
anticodon
Locus
nucleus
Founder Effect
12. Copying the code from DNA onto mRNA
Clade
Founder Effect
Post -zygotic Mechanisms
transcription
13. 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.
Codon
Gene
Species
transcription
14. The evolutionary process by which a species becomes better suited to its niche.
polypeptide
clinC
mRNA
Adaptation
15. Mating of 2 oism that differ in 2 characters
Dihybrid Cross
Molecular biology
Isolating Mechanism
Vestigial structure
16. Era of recent life that began about 66 million years ago and continues today; includes the first appearance Hominids
Amber
Double Helix
Mendel's traits are now called _____ found on DNA
Cenozoic era
17. 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
Ecological (habitat) Isolation
Translocation
Igneous and metamorphic rock
Comparative Anatomy
18. Condition in which an organism has extra sets of chromosomes
Polyploidy
polypeptide
Analogous Features
Codon
19. Another term for pure breeding
Organic Evolution
Homozygous
Chromosome mutation
Temporal Isolation
20. Evolution of the earth - which is hypothesized to have been formed over 4.6 billion years ago.
Geologic Evolution
rRNA
restriction enzymes - sticky ends
Mutation
21. The comparison of the structures of different organisms
Recombination
Comparative anatomy
DNA
Mesozoic era
22. Speciation which does not involve a period of geographical separation
true
polypeptide
Bottle neck effect
Sympatric Speciation
23. DNA is made of...
Centromere
Ice
nucleotides
Duplication
24. Impression made from a organism in soft material such as sand or mud.
Bottle neck effect
Semi - conservative replication
Testcross
Mold
25. Which type of Rna functions as a blue print of the genetic code
Homologous Structures
mRNA
The cell uses information from mRNA to produce proteins
Comparative embryology
26. 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.
Mitosis
Ecological Barrier
that is complementary to a single strand of DNA
Molecular biology
27. A pairing where the parent plants differ in only one character.
Microevolution
Ice
Monohybrid Cross
Codon
28. T or F a codon consist of three nucleotides
Germ
Petrification
Semi - conservative replication
true
29. Natural selection that causes the frequency of a particular allele to move in one direction
Ecological (habitat) Isolation
Directional Selection
Dihybrid Cross
Character Displacement
30. Organ that serves no useful function in an organism
Vestigial organs
Centromere
restriction enzymes - sticky ends
chromatin
31. Different alleles for a gene
transcription
Heterozygote
cytosine in DNA is about equal to the percentage of guanine molecules
Gene
32. A change in the base sequence of DNA; the ultimate source of new alleles
Mutation
Insertion
Gametic
Sympatric Speciation
33. Independent segregation of genes during the formation of gametes
Dominant
Phyletic Gradualism (anagenesis)
Environment
Independent assortment
34. A unique combination of traits that are passed down from one generation to another.
Heritable variation
Allopatric Speciation
Vestigial structure
Fossils
35. Name for oism with one dominant and one recessive allele
polypeptide
Heterozygous
Bottle neck effect
Stabilising
36. A body cell
watson and crick
Directional Selection
Convergent Evolution
Somatic
37. The condition in which there is no change in allele frequencies from generation to generation (i.e. no evolution)
Ice
Heterozygous
Geologic Evolution
Genetic Equilibrium
38. Because of base pairing in DNA the amount of
index fossil
cytosine in DNA is about equal to the percentage of guanine molecules
Precambrian era
Vestigial structure
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
restriction enzymes - sticky ends
Amber
DNA
Mendel's Principle of Segregation
40. Type of rock made from small pieces of other rocks and organisms pressed together. Source of fossil preservation. Limited radioactive or absolute dating potential.
Niche
False RNA
Sedimentary Rock
Clade
41. Proteins are made of...
Behavioral (ethological) Isolation
Adenine
Hybrid Infertility
amino acids
42. All the factors in an organism's surroundings that can potentially affect it
3 nucleotides
Selection
Heritable variation
Environment
43. A type of natural selection in which genetic diversity decreases as the population stabilises on a particular trait value
Stabilising selection
nucleotides
Locus
Thymine
44. Is the evolutionary process whereby a population becomes better suited to its habitat
Disruptive Selection
Extinction
Recombination
Adaptation
45. Selection for the ability to obtain a mate
Genetic Drift
Behavioral (ethological) Isolation
replication
Sexual Selection
46. Evolution resulting from small specific genetic changes that can lead to a new subspecies
Microevolution
Alleles
Population
Allele
47. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Deme
mRNA
Double Helix
Amber
48. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Duplication
Substitution
Homologous Structures
3 nucleotides
49. The banding pattern of a persons DNA after being cut and run on gel is called
Deme
Translocation
DNA fingerprint
trace fossils
50. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
Macroevolution
Adaptive Radiation
Selection pressure
Gene frequency