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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 movement of genes between populations as a result of mating of migration
Heterozygous
Gene Flow
Ring Species
Common Ancestor
2. What does DNA stand for...
deoxyribonucleic acid
geologic time scale
Sequential Evolution
Gene
3. Ribosomal RNA; type of RNA that makes up part of the ribosome
Homologous structures
Gene
rRNA
Phenotype
4. Is a trait that is more expressed than another trait. Is written in capital letters for Genotype. E.g Tall genotype is TT or Tt where T is the allele for tall trait and t is the trait for small. T will be expressed more.
Sequential Evolution
Mendel's traits are now called _____ found on DNA
Igneous and metamorphic rock
Dominant
5. Evolution of living things - based on evidence from the past and present.
Organic Evolution
False genes
Genetic Drift
chromatin
6. Group of individuals of the same species that live in the same area
Population
homologous (Evolution Evidence)
Heterozygous
Genome
7. Three dimensional shape of organism made from a mold. May be created with plaster or over time with minerals.
thymine
Mutation
Thymine
Cast
8. 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
Hershey and Chase
Codon
Gene flow
Selection pressure
9. Of a cell or organism having two sets of homologous chromosomes or twice the haploid number
Diploid
index fossil
Genetic Equilibrium
Gene Pool
10. A pairing where the parent plants differ in only one character.
Speciation
Monohybrid Cross
Gene frequency
Stabilising selection
11. Form of reproductive isolation in which two populations reproduce at different times
Convergent Evolution
Haploid/Monoploid
Temporal Isolation
Mold
12. The inherited characteristic often masked by the dominant characteristic and not seen in an organism. e.g. Tt plant will still be tall. Where T is the dominant trait for tall and t is the recessive trait for small.
nucleotides
rRNA
Recessive
Relative dating
13. Are noncoding sequences in the gene that are removed from RNA after transcription
Allele Frequency
Test Cross
Pentadactyl limb
introns
14. A DNA double helix is held together in the center by between nitrogenous bases
hydrogen bonds
Igneous and metamorphic rock
Monophyletic
Common Ancestor
15. A group of organisms of the same species occupying a given area.
Guanine
Behavioral (ethological) Isolation
Hershey and Chase
Population
16. Is any chromosome that is not a sex chromosome.
Autosomes
Directional Selection
mRNA
Mendel's Principle of Segregation
17. The structure on a tRNA molecule that allows it interact with an mRNA molecule
anticodon
Insertion
Relative dating
Species
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.
Sedimentary Rock
Sequential Evolution
Stasis
Natural Selection
19. A change or error in the DNA sequence
Gametic
mutation
tRNA
Duplication
20. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
Igneous and metamorphic rock
Adaptive Radiation
Cast
Homozygous
21. 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
Sex Chromosomes
Mass Extinction
analogous (Evolution Evidence)
22. The sum total of an organism's requirements; its way of life
Heterozygous
Niche
Migration
Haploid/Monoploid
23. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
Evo Devo
Fossils
Nucleotide
Migration
24. A trait that masks the expression of another trait
Analogous structures
Selection
Dominant
Gene pool
25. Chromosomes are collections of many
Paleozoic era
Analogous Structures (analogies)
Population
genes
26. Embryos of similar organisms have very similar early development indicating similar DNA at work
Comparative Embryology
Stabilising selection
anticodon
Natural Selection
27. The individuals choice of which mate they will choose. The choice is dependant on what traits the individual finds attractive. e.g some people will want their mates to be smart or pretty.
Heterozygous
Mate Selection
Fossils
Artificial selection
28. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
introns
Genetic Equilibrium
Adenine
Molecular biology
29. The comparison of the structures of different organisms
Gene Pool
Comparative anatomy
Clade
Genetic Equilibrium
30. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
trace fossils
three
Mutation
Selection pressure
31. Breeding organisms with specific traits in order to produce offspring with identical traits
Homologous pair
Sympatric Speciation
Gamete Isolation
Artificial selection
32. How often a particular gene occurs in the population
Cast
Chargaff
Gene frequency
Homologous structures
33. When zygote does not complete development or is physically weaker than normal
Hybrid Inviability
mRNA
Dominant
Genetic Drift
34. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
Heritable variation
clinC
Chiasma
tRNA
35. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
Deme
Hybrid Breakdown
DNA fingerprint
Convergent Evolution
36. Periods of little adaptive change
Test Cross
Stasis
Cenozoic era
Species
37. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Absolute dating
Precambrian era
Sympatric Speciation
Dihybrid Cross
38. Transcrition occurs in the...
nucleus
Extinction
Homozygous
Adaptation
39. The final product of transcription is...
If you lose one then you will still have one to back you up.
mRNA
Deme
Hybrid Breakdown
40. Because of base pairing in DNA the amount of
analogous (Evolution Evidence)
Genetic Drift
Hybrid Infertility
cytosine in DNA is about equal to the percentage of guanine molecules
41. The environmental factors that favour certain phenotypes
Selection pressure
Chromatid
Mate Selection
Stabilising
42. A distinct population of a species that varies from other populations of the same species.
Hybrid
Sub - species
Geographical Isolation
Haploid/Monoploid
43. The complete genetic material contained in an individual
Adaptation
Genome
Thymine
Sub - species
44. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
Evolution
Independent assortment
Allele Frequency
codon
45. The offspring of a cross between two inbred lines within a single species. May also refer to the offspring of across between two species
amino acids
Substitution
Hybrid
Petrification
46. Organ no longer serves a function
Dihybrid
restriction enzymes - sticky ends
vestigial (Evolution Evidence)
rRNA
47. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Genotype
RNA polymerase
Geographical Isolation
GATTACA
48. Is active during transcription
Mutation
Fossil
RNA polymerase
amino acid
49. Any preserved remains of an organism from the past. Usually found in sedimentary rock.
Fossils
Phylogeny
Speciation
mRNA
50. Speciation which does not involve a period of geographical separation
Sympatric Speciation
Monohybrid Cross
analogous (Evolution Evidence)
Alleles