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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. Disappearance of a species from all parts of its geographical range
Gene mutation
Species
Petrification
Extinction
2. Two alternative forms of a gene e.g Tall vs Short
Alleles
Adenine
Comparative Anatomy
Geographical Isolation
3. DNA that is coiled around proteins
chromatin
Heterozygous
that is complementary to a single strand of DNA
Mechanical (morphological) Isolation
4. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
trace fossils
Artificial selection
Disruptive Selection
Clade
5. The adaptive increase in pigmentation as a result of human - induced pollutants
Genetic Equilibrium
Rosalind Franklin
Industrial Melanism
Comparative Anatomy
6. 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.
Gene
Hershey and Chase
Endemic
Founder effect
7. Separation of species or populations so that they cannot interbreed and produce fertile offspring
Gene flow
amino acids
Sedimentary Rock
Reproductive Isolation
8. Even if the gametes of the two species meet - fertilization does not occur
mRNA
Selection
Insertion
Gamete Isolation
9. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Precambrian era
Polyploidy
true
Vestigial organs
10. Used x ray cyrstallography to create an image of DNA
transcription
Rosalind Franklin
Medel worked with _____
Hershey and Chase
11. A group of organisms whose members are sufficiently alike to be able to reproduce and produce fertile offspring and who are unable to reproduce with other such groups
Cast
Species
Comparative Anatomy
RNA polymerase
12. Speciation preceded by a period of geographical isolation
Natural Selection
Meiosis
Genetic Equilibrium
Allopatric Speciation
13. The environmental factors that favour certain phenotypes
Heterozygous
Selection pressure
Gametic
molecular evidence
14. The sum total of an organism's requirements; its way of life
Medel worked with _____
Niche
Hybrid Breakdown
Sexual Selection
15. Is found in DNA
Immigration
codon
thymine
Temporal Isolation
16. Transfer RNA; type of RNA that carries amino acids to the ribosome
tRNA
Extinction
amino acid
Crossing over
17. Speciation which does not involve a period of geographical separation
Sympatric Speciation
Vestigial structure
Molecular biology
Nucleotide
18. The study relating the evolution of new charateristics to changes in the genes controlling development
Evo Devo
Recombination
Comparative Anatomy
Insertion
19. T or F A cloned organism has the same proteins as another organism
Monophyletic
Population
Codon
False genes
20. A genetic crosses that involve one trait. e.g TT plant crossed with tt plant has offspring who are heterozygous Tt.
Gene flow
Monohybrid
Germ
Immigration
21. Consists of all genes - including all the different alleles - that are present in a population
Hominid
Gene pool
Analogous structures
Biogeography
22. Independent segregation of genes during the formation of gametes
Independent assortment
Homologous pair
Variation
Disruptive Selection
23. Recognize and cut DNA at specific sequences usually palindromes
Paleozoic era
restriction enzyme
Recessive
ribose - phosphate - and a base
24. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
Phyletic Gradualism (anagenesis)
Post -zygotic Mechanisms
Habitat
Evolution
25. You mate the unknown genotype with an organism showing the recessive trait. If any of the offspring show the recessive trait - the original unknown parent was heterozygous. If no recessive trats show up - the original parent was homozygous.
Mutation
Test Cross
Mass Extinction
Dihybrid
26. Individual that is heterozygous for two traits; shows the phenotype governed by the dominant alleles but carries the recessive alleles
Dihybrid
Habitat
Codon
Character Displacement
27. 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
Coevolution
Speciation
Vestigial structure
28. A pairing where the parent plants differ in only one character.
Cenozoic era
chromatin
Monohybrid Cross
Codon
29. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Ring Species
Gene Flow
Double Helix
Founder effect
30. A change or error in the DNA sequence
Precambrian era
Gene pool
Directional Selection
mutation
31. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
Cytosine
Adaptive Radiation
ribose - phosphate - and a base
introns
32. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
Fitness
Divergent Evolution
amino acids
Hershey and Chase
33. Is a base found in DNA and RNA. Cytosine pairs with Guanine in DNA
embryological evidence
Variation
Gamete Isolation
Cytosine
34. Similar DNA sequences or protein structures (such as hemoglobin) may link different species to a similar ancestor.
molecular evidence
Founder Effect
Behavioral (ethological) Isolation
replication
35. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Mechanical (morphological) Isolation
Alleles
Amber
Translocation
36. The backbone of DNA consist of...
Behavioral (ethological) Isolation
Hominid
Comparative Anatomy
deoxyribose and phosphate
37. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
Character Displacement
Comparative embryology
Isolating Mechanism
tRNA
38. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
Comparative Anatomy
Igneous and metamorphic rock
Heterozygous
Histone
39. Form of reproductive isolation in which two populations reproduce at different times
proteins
Allele Frequency
Comparative Anatomy
Temporal Isolation
40. A unique combination of traits that are passed down from one generation to another.
Gene Pool
Nucleotide
GATTACA
Heritable variation
41. During transcription an RNA molecule is formed
Evo Devo
Absolute dating
that is complementary to a single strand of DNA
Homozygous
42. The formation of new species as a result of evolution
Speciation
Dihybrid
Phenotype
RNA polymerase
43. Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
Natural Selection
codon
Evolution
Divergent Evolution
44. Determined the complete double helical structure of DNA
mutation
False RNA
watson and crick
Chromatid
45. Any preserved remains of an organism from the past. Usually found in sedimentary rock.
Dihybrid Cross
Phenotype
Centromere
Fossils
46. Natural selection that causes the frequency of a particular allele to move in one direction
Hybrid
Post -zygotic Mechanisms
Heterozygous
Directional Selection
47. Process by which a ribosome uses the code on mRNA to make proteins
Recessive
Stabilising selection
Phyletic Gradualism (anagenesis)
translation
48. Dna moves during electrophoresis because of...
molecular evidence
its negative charge
Recessive
Phenotype
49. Layers of compressed sedimentary rock demonstrate the order or sequence at which events occurred. Cannot delineate the exact point of time - but is able to distinguish the order of events.
GATTACA
Insertion
Relative dating
Artificial selection
50. Organ no longer serves a function
vestigial (Evolution Evidence)
Hybrid
Chromosomes
Population
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