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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. The backbone of DNA consist of...
Allopatric Speciation
Precambrian era
deoxyribose and phosphate
Sedimentary Rock
2. The gradual changes in gene frequencies in a population due to random events
Genetic Drift
rRNA
Gene flow
Chromatid
3. Features that are superficially similar but have different modes of development
ribose - phosphate - and a base
Population
Speciation
Analogous Features
4. Proteins are made of...
Natural Selection
amino acids
three
Mutation
5. The adaptive increase in pigmentation as a result of human - induced pollutants
The cell uses information from mRNA to produce proteins
nucleus
Industrial Melanism
Biogeography
6. A combining of genes or characters different from what they were in the parents
Dominant
transcription
Hybrid
Recombination
7. Form of reproductive isolation in which two populations reproduce at different times
Sequential Evolution
Temporal Isolation
true
Gene pool
8. 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.
mutation
Founder effect
Comparative Anatomy
Mold
9. The complete genetic material contained in an individual
translation
Fitness
Genome
Germ
10. Which structure contains anticodons
Species
Mesozoic era
tRNA
mutation
11. Any preserved remains of an organism from the past. Usually found in sedimentary rock.
tRNA
mRNA
Homozygous
Fossils
12. Messenger RNA; type of RNA that carries instructions from DNA in the nucleus to the ribosome
mRNA
Founder Effect
NIche Isolation
Precambrian era
13. 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
index fossil
Sexual Selection
Population
Pentadactyl limb
14. Another name for a gene
tRNA
Sedimentary Rock
Genetic Drift
Allele
15. An evolutionary 'branch' and its daughter 'twigs'
Clade
Autosomes
Comparative Embryology
Mutation
16. T or F A cloned organism has the same proteins as another organism
DNA
False genes
Population
Phenotype
17. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Genetic Equilibrium
Precambrian era
Species
Gametic
18. Hybrid is sterile so biologically unfit
Hybrid Infertility
Mendel's Principle of Segregation
Phenotype
Ecological (habitat) Isolation
19. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
Evolution
Population
Allele Frequency
Hybrid Inviability
20. What happens during the process of translation
Gamete Isolation
Semi - conservative replication
The cell uses information from mRNA to produce proteins
Speciation
21. Periods of little adaptive change
Stasis
Genome
Germ
Stabilising
22. When competition causes two closely related species to become more different in regions where their ranges overlap
Character Displacement
Population
Allele
Molecular biology
23. When F1 is fully fertile but F2 has low fertility (rice - cotton)
restriction enzyme
Hybrid Breakdown
Parallel Evolution
Sex Chromosomes
24. Reciprocal evolution in two species as a result of the selection pressure each imposes upon the other
Ecological (habitat) Isolation
Hybrid Infertility
NIche Isolation
Coevolution
25. A small simple structure (as a fertilized egg) from which new tissue can develop into a complete organism. It is also a cell
chromatin
Common Ancestor
Germ
3 nucleotides
26. Independent segregation of genes during the formation of gametes
Thymine
Artificial selection
Homozygous
Independent assortment
27. The study of the past and present distribution of species.
Biogeography
Allele
Reproductive Isolation
Phyletic Gradualism (anagenesis)
28. Threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next
Chromosomes
Variation
Homozygous
Stasis
29. Situation in which allele frequencies remain constant
Genetic Equilibrium
DNA fingerprint
Clade
Homologous Structures
30. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Genome
Geographical Isolation
tRNA
Precambrian era
31. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
Convergent Evolution
Amber
Adaptive Radiation
Test Cross
32. The structure on a tRNA molecule that allows it interact with an mRNA molecule
Locus
deoxyribonucleic acid
Sequential Evolution
anticodon
33. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
Niche
Sequential Evolution
Artificial selection
Nucleotide
34. The region of the chromosome that holds the two sister chromatids together during mitosis
Centromere
cytosine in DNA is about equal to the percentage of guanine molecules
Endemic
Selection
35. Different alleles for a gene
Heterozygote
polypeptide
Paleozoic era
its negative charge
36. Dna moves during electrophoresis because of...
its negative charge
Monophyletic
Microevolution
Dominant
37. Trait evolves overtime; NO common ancestry
Chiasma
Paleozoic era
analogous (Evolution Evidence)
Character Displacement
38. T or F a codon consist of three nucleotides
Mendel's traits are now called _____ found on DNA
true
proteins
Insertion
39. Which type of Rna functions as a blue print of the genetic code
Disruptive Selection
Gene pool
mRNA
Chromosome mutation
40. An equilibrium in the occurence of two or more different froms within the same population usually caused by different allele combiinations of a gene
Heterozygous
Phylogeny
restriction enzyme
Balanced Polymorphism
41. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Ice
Recessive
Autosomes
Homologous Structures
42. During transcription an RNA molecule is formed
Phylogeny
that is complementary to a single strand of DNA
Chromatid
Comparative anatomy
43. A copy of a gene is made during a process called this
Genetic Equilibrium
Locus
codon
transcription
44. 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.
Test Cross
Mitosis
Mutation
Histone
45. Is active during transcription
Geologic Evolution
Testcross
RNA polymerase
Sub - species
46. Change to a chromosome in which a fragment of the chromosome is removed
The cell uses information from mRNA to produce proteins
Deletion
Mass Extinction
Cenozoic era
47. Ribosomes are made of...
Mold
Gametic
rRNA
restriction enzyme
48. A codon is made of...
3 nucleotides
Sexual Selection
Genotype
Codon
49. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration
Clade
Gene Pool
stop codon
Pre -zygotic Mechanisms
50. What does DNA stand for...
Genetic Drift
deoxyribonucleic acid
tRNA
Environment