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Test your basic knowledge |
CSET Genetics And Evolution
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Subjects
:
cset
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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. Types of rocks formed after exposure to very high heat. Because of the high temperatures - fossils are not able to be recovered from these types of rocks. Absolute or radioactive dating is possible - however.
genes
Igneous and metamorphic rock
Species
Genome
2. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
geologic time scale
Evolution
Geographical Isolation
Population
3. Separation of species or populations so that they cannot interbreed and produce fertile offspring
DNA fingerprint
Recombination
Reproductive Isolation
Directional Selection
4. The movement of individuals into an area
Comparative anatomy
Genotype
Environment
Immigration
5. DNA that is coiled around proteins
chromatin
Artificial selection
Petrification
transcription
6. A change in the base sequence of DNA; the ultimate source of new alleles
its negative charge
Mutation
Polyploidy
Locus
7. Movement of organisms ro of from a population
Migration
deoxyribonucleic acid
Genetic Drift
Deletion
8. Even if the gametes of the two species meet - fertilization does not occur
Phylogeny
mRNA
Temporal Isolation
Gamete Isolation
9. Periods of rapid evolution punctuated by periods of little change
Biogeography
replication
Punctuated Equilibrium
Mendel's traits are now called _____ found on DNA
10. Innate trait; shared ancestry
Polyploidy
homologous (Evolution Evidence)
Germ
Homozygous
11. 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.
tRNA
Test Cross
Evolution
Insertion
12. Evolution resulting from small specific genetic changes that can lead to a new subspecies
Medel worked with _____
Microevolution
Meiosis
Stabilising selection
13. These prevent fertilization between species e.g. diff breeding season - mating behaviour
Pre -zygotic Mechanisms
Petrification
genes
Founder Effect
14. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
Macroevolution
restriction enzymes - sticky ends
Somatic
Relative dating
15. Shows how the embryos of different groups resemble each other at particular stages. Similarities indicate groups may share a common ancestor
Ice
Dihybrid
Founder Effect
Comparative embryology
16. Describes a cell - nucleus - or organism that has only one set of unpaired chromosomes
Histone
Comparative embryology
Behavioral (ethological) Isolation
Haploid/Monoploid
17. Consists of all genes - including all the different alleles - that are present in a population
Gene pool
Punctuated Equilibrium
Precambrian era
Hybrid Infertility
18. 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
mutation
Analogous Structures (analogies)
Industrial Melanism
Coevolution
19. The number of times an allele appears in a population
Precambrian era
mutation
Artificial selection
Allele Frequency
20. Large - scale evolutionary changes that take place over long periods of time
Homologous pair
Macroevolution
Sedimentary Rock
Adenine
21. One of the identical rods of a chromosome.
that is complementary to a single strand of DNA
Chromatid
hydrogen bonds
Diploid
22. Identical alleles for a gene
Homozygote
Gene frequency
Diploid
nucleotides
23. Selection acting against the middle of a range of variation
Dihybrid
Disruptive Selection
RNA polymerase
Gamete Isolation
24. The sum total of an organism's requirements; its way of life
Analogous Structures (analogies)
Testcross
Niche
its negative charge
25. Another name for a gene
Precambrian era
Allele
Paleozoic era
restriction enzymes - sticky ends
26. Actual remains of an organism such as bones - teeth - shells - etc.
Genetic Equilibrium
Genotype
Genome
body fossils
27. Periods of little adaptive change
Stasis
Heterozygous
Heterozygous
embryological evidence
28. The adaptive increase in pigmentation as a result of human - induced pollutants
Adaptation
Analogous Features
Hershey and Chase
Industrial Melanism
29. The preserved remains or traces of an organism that lived in the past
amino acids
Dominant
Comparative anatomy
Fossil
30. The evolutionary history/geneology of a group of organisms (a tree thingy)
Analogous structures
Phylogeny
Test Cross
Dominant
31. Mutation where an extra base is added
Medel worked with _____
Insertion
RNA polymerase
Mechanical (morphological) Isolation
32. T or F If a nucleic acid contain uracil it is DNA
False RNA
Crossing over
Bottle neck effect
Diploid
33. The region of the chromosome that holds the two sister chromatids together during mitosis
Natural Selection
False genes
Centromere
Hominid
34. T or F A cloned organism has the same proteins as another organism
Endemic
Nucleotide
DNA fingerprint
False genes
35. Organ that serves no useful function in an organism
Vestigial organs
Dominant
transcription
stop codon
36. DNA is made of...
Organic Evolution
nucleotides
Extinction
body fossils
37. The offspring of a cross between two inbred lines within a single species. May also refer to the offspring of across between two species
Nucleotide
Homologous pair
Hybrid
Cenozoic era
38. A group of organisms of the same species occupying a given area.
embryological evidence
Population
False RNA
Insertion
39. Closely related species occupying different habitats - niches preventing them from interbreeding
Macroevolution
nucleotide
Ecological Barrier
If you lose one then you will still have one to back you up.
40. T or F a codon consist of three nucleotides
Semi - conservative replication
mRNA
Incomplete Dominance
true
41. What does DNA stand for...
Allele Frequency
deoxyribonucleic acid
Adaptation
Gene Pool
42. Messenger RNA; type of RNA that carries instructions from DNA in the nucleus to the ribosome
Gametic
mRNA
Mutation
Genetic Drift
43. Pea plants
Heterozygote
Stasis
Medel worked with _____
Recombination
44. Features that are superficially similar but have different modes of development
Sexual Selection
Recombination
Analogous Features
Artificial selection
45. A small simple structure (as a fertilized egg) from which new tissue can develop into a complete organism. It is also a cell
Coevolution
Germ
Heterozygous
Gene flow
46. Middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs - rise of flowering plants
Comparative Anatomy
Stabilising selection
Mesozoic era
tRNA
47. Selection acting against the extremes of a range of variation - resulting in resistance to change in allele frequencies
Analogous Structures (analogies)
Stabilising
Homozygote
Nucleotide
48. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration
Double Helix
Gene Pool
Sympatric Speciation
Mendel's traits are now called _____ found on DNA
49. Used x ray cyrstallography to create an image of DNA
Rosalind Franklin
Post -zygotic Mechanisms
Pre -zygotic Mechanisms
polypeptide
50. When zygote does not complete development or is physically weaker than normal
Hybrid Inviability
Organic Evolution
Genotype
Habitat
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