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Test your basic knowledge |
CSET Genetics And Evolution
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Subjects
:
cset
,
science
,
genetics
Instructions:
Answer 50 questions in 15 minutes.
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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. Evolution of living things - based on evidence from the past and present.
Artificial selection
Gene pool
Organic Evolution
Analogous structures
2. Evolution resulting from small specific genetic changes that can lead to a new subspecies
Convergent Evolution
Environment
Microevolution
Testcross
3. Building block of a protein
Founder effect
transcription
Hershey and Chase
amino acid
4. The gradual changes in gene frequencies in a population due to random events
Petrification
Genetic Drift
Directional Selection
Hybrid Infertility
5. 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.
Chromosome mutation
Mutation
analogous (Evolution Evidence)
replication
6. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
Dominant
False RNA
stop codon
Divergent Evolution
7. The gradual changes in gene frequencies in a population due to random events
Genetic Drift
true
GATTACA
Sequential Evolution
8. The study relating the evolution of new charateristics to changes in the genes controlling development
Igneous and metamorphic rock
homologous (Evolution Evidence)
Cytosine
Evo Devo
9. How often a form of a gene appears in a gene pool
Diploid
Recessive
Punctuated Equilibrium
Allele Frequency
10. The number of times an allele appears in a population
Allele Frequency
Fossils
chromatin
Homologous structures
11. How often a particular gene occurs in the population
Deme
true
Gene frequency
Parallel Evolution
12. Independent segregation of genes during the formation of gametes
Macroevolution
Rosalind Franklin
Independent assortment
Cenozoic era
13. These prevent fertilization between species e.g. diff breeding season - mating behaviour
Evo Devo
Comparative anatomy
Test Cross
Pre -zygotic Mechanisms
14. Features that are superficially similar but have different modes of development
Analogous Features
Pre -zygotic Mechanisms
transcription
Heritable variation
15. Human - like species that existed millions of years ago as witnessed through fossil evidence.
Mendel's Principle of Segregation
Igneous and metamorphic rock
Speciation
Hominid
16. Uses metamorphic or igneous rock - calculates the age of an object by assessing the amount of radioactive element still present in the organism. Radioactive elements are slowly lost over time because of decay.
Absolute dating
Cenozoic era
amino acids
stop codon
17. Organ no longer serves a function
Adaptive Radiation
Parallel Evolution
If you lose one then you will still have one to back you up.
vestigial (Evolution Evidence)
18. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
Comparative anatomy
Hybrid Breakdown
Punnett Square
tRNA
19. T or F A cloned organism has the same proteins as another organism
False genes
Chromosomes
transcription
Genetic Drift
20. The adaptive increase in pigmentation as a result of human - induced pollutants
Industrial Melanism
Dominant
Biogeography
Independent assortment
21. A pairing where the parent plants differ in only one character.
nucleotides
Monohybrid Cross
Homozygous
Precambrian era
22. Selection against one end of a range of variation - resulting in a progressive change in allele frequency
Comparative anatomy
clinC
Directional Selection
proteins
23. Is the evolutionary process whereby a population becomes better suited to its habitat
Adaptation
Phenotype
polypeptide
Dihybrid Cross
24. 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.
Chromosome mutation
Mate Selection
Sub - species
Phyletic Gradualism (anagenesis)
25. Selection for the ability to obtain a mate
mRNA
Comparative Embryology
Hershey and Chase
Sexual Selection
26. Translation occurs in the...
Somatic
Adaptive Radiation
cytoplasm
Phylogeny
27. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
Evolution
Independent assortment
Dihybrid Cross
Genome
28. Trait evolves overtime; NO common ancestry
Phenotype
analogous (Evolution Evidence)
Sedimentary Rock
Homozygous
29. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
Histone
Centromere
trace fossils
rRNA
30. Era of recent life that began about 66 million years ago and continues today; includes the first appearance Hominids
three
Cenozoic era
Allele
Mitosis
31. Any preserved remains of an organism from the past. Usually found in sedimentary rock.
Fossils
Heritable variation
chromatin
Convergent Evolution
32. Because of base pairing in DNA the amount of
Natural Selection
Hybrid
cytosine in DNA is about equal to the percentage of guanine molecules
homologous (Evolution Evidence)
33. The condition in which there is no change in allele frequencies from generation to generation (i.e. no evolution)
Sedimentary Rock
Genetic Equilibrium
Dominant
cytosine in DNA is about equal to the percentage of guanine molecules
34. Even if the gametes of the two species meet - fertilization does not occur
Gamete Isolation
Gametic
Allele
Phylogeny
35. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
its negative charge
Geographical Isolation
Sequential Evolution
Histone
36. Form of reproductive isolation in which two populations reproduce at different times
Locus
Temporal Isolation
Monophyletic
Bottle neck effect
37. Change in allele frequencies as a result of the migration of a small subgroup of a population
tRNA
restriction enzymes - sticky ends
Founder Effect
Genetic Equilibrium
38. Shows how the embryos of different groups resemble each other at particular stages. Similarities indicate groups may share a common ancestor
restriction enzymes - sticky ends
Genotype
Comparative embryology
Selection
39. The preserved remains or traces of an organism that lived in the past
Fossil
Character Displacement
Fossils
Gene flow
40. The formation of new species as a result of evolution
Natural Selection
Speciation
Pre -zygotic Mechanisms
Monophyletic
41. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Fossil
Homologous Structures
Fossils
Mate Selection
42. Inherited feature that tends to prevent species from interbreeding with other species
Natural Selection
Isolating Mechanism
Translocation
tRNA
43. A copy of a gene is made during a process called this
Homozygous
Diploid
transcription
hydrogen bonds
44. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Habitat
Amber
Phyletic Gradualism (anagenesis)
Adaptive Radiation
45. Mutation where an extra base is added
Ring Species
False genes
Insertion
thymine
46. 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.
Recessive
DNA
Stabilising selection
nucleotides
47. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Ring Species
Natural Selection
codon
Gene
48. 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
Analogous Structures (analogies)
stop codon
Fossils
transcription
49. Building block of a nucleic acid (DNA and RNA)
three
Common Ancestor
Dihybrid
nucleotide
50. The specific location of a gene on a chromosome
thymine
rRNA
Common Ancestor
Locus
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