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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. Mating of 2 oism that differ in 2 characters
Dihybrid Cross
Post -zygotic Mechanisms
Mendel's Principle of Segregation
clinC
2. Process by which a ribosome uses the code on mRNA to make proteins
nucleus
translation
Bottle neck effect
Recombination
3. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic
Igneous and metamorphic rock
Sexual Selection
Mold
geologic time scale
4. Ribosomal RNA; type of RNA that makes up part of the ribosome
Rosalind Franklin
Species
Dihybrid
rRNA
5. Nucleotides that control which amino acids are added during protein synthesis
Hybrid Infertility
Heterozygous
Codon
Homologous Structures
6. The environmental factors that favour certain phenotypes
Selection pressure
amino acids
polypeptide
Haploid/Monoploid
7. A unique combination of traits that are passed down from one generation to another.
Double Helix
Mendel's traits are now called _____ found on DNA
Heritable variation
RNA polymerase
8. How often a form of a gene appears in a gene pool
Allele Frequency
Population
Balanced Polymorphism
Hershey and Chase
9. Actual remains of an organism such as bones - teeth - shells - etc.
Translocation
Sequential Evolution
Comparative anatomy
body fossils
10. The gradual changes in gene frequencies in a population due to random events
Genetic Drift
Balanced Polymorphism
Evo Devo
Heritable variation
11. The structure on a tRNA molecule that allows it interact with an mRNA molecule
Selection
Behavioral (ethological) Isolation
anticodon
Mutation
12. Impression made from a organism in soft material such as sand or mud.
Recessive
Mold
Geologic Evolution
Cytosine
13. Form of reproductive isolation in which tere are differences in species courtship behavior
Locus
Test Cross
Behavioral (ethological) Isolation
Phenotype
14. Evolution of living things - based on evidence from the past and present.
Paleozoic era
Organic Evolution
Adaptive Radiation
Incomplete Dominance
15. Organisms with similar functions - but different underlying structure. Example: bird and insect wing. These structures do NOT show a common ancestral link.
Rosalind Franklin
Evolution
geologic time scale
Analogous structures
16. Ribosomes are made of...
Semi - conservative replication
Punctuated Equilibrium
Directional Selection
rRNA
17. The backbone of DNA consist of...
deoxyribose and phosphate
tRNA
polypeptide
Genetic Equilibrium
18. Organism is preserved at very low temperatures. Preservation of both hard and soft parts can occur.
Artificial selection
Genotype
Ice
Hybrid Infertility
19. Selection against one end of a range of variation - resulting in a progressive change in allele frequency
Chromosomes
ribose - phosphate - and a base
Directional Selection
Temporal Isolation
20. Process by which one species gives rise to two or more species
Divergent Evolution
Common Ancestor
Speciation
Heterozygous
21. A geographic gradient in the extent to which a character is developed in a species
clinC
Autosomes
Founder effect
Histone
22. Separation of species or populations so that they cannot interbreed and produce fertile offspring
Stabilising selection
Reproductive Isolation
Thymine
Precambrian era
23. Organ that serves no useful function in an organism
Adenine
Medel worked with _____
Vestigial organs
Sex Chromosomes
24. The comparison of the structures of different organisms
Directional Selection
Vestigial organs
Environment
Comparative anatomy
25. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
Sedimentary Rock
rRNA
Mutation
restriction enzymes - sticky ends
26. Three mRNA nucleotides that code for a specific amino acid
Analogous Features
Gene
codon
Chiasma
27. Is found in DNA
Sequential Evolution
thymine
Hershey and Chase
Hybrid Inviability
28. Group of similar organisms that can breed and produce fertile offspring
Sub - species
Heterozygote
Species
codon
29. 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
Stasis
Diploid
index fossil
30. Periods of little adaptive change
Temporal Isolation
Ring Species
Divergent Evolution
Stasis
31. Movement of organisms ro of from a population
transcription
Gametic
Migration
Mutagen
32. DNA is made of...
restriction enzyme
nucleotides
Mutation
Mate Selection
33. The capacity of an individual of certain genotype to reproduce. It is usually equal to the proportion of the individual's genes in all the genes of the next generation
Translocation
Fitness
Centromere
Sympatric Speciation
34. Is the genetic makeup of an organism (TT or Tt) ; All the combinations of genes you have for a certain trait.
Sub - species
Genotype
Mitosis
Gene pool
35. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
tRNA
Natural Selection
transcription
Nucleotide
36. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Absolute dating
Habitat
Geographical Isolation
proteins
37. Term used to refer to an organism that has two identical alleles for a particular trait. e.g TT is the homozygous genotype for Tall.
Substitution
Monohybrid
Homozygous
Founder Effect
38. Determined the complete double helical structure of DNA
watson and crick
Ecological (habitat) Isolation
Homologous pair
Centromere
39. Mutation where an extra base is added
Translocation
Sedimentary Rock
Behavioral (ethological) Isolation
Insertion
40. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
Gametic
Stabilising selection
False RNA
Histone
41. In the event of a sperm fertilizing an egg of another species - mechanisms that prevent result being fruitful
Dominant
Post -zygotic Mechanisms
Allele Frequency
Parallel Evolution
42. Is a base found in DNA and RNA. In DNA its partner is Thymine. In RNA its partner is Uracil
Adenine
Mendel's traits are now called _____ found on DNA
Mutation
Monohybrid
43. The adaptive increase in pigmentation as a result of human - induced pollutants
Sedimentary Rock
Industrial Melanism
Comparative embryology
Chromatid
44. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Homozygote
Precambrian era
Gene Flow
Founder Effect
45. Used x ray cyrstallography to create an image of DNA
Cenozoic era
Rosalind Franklin
rRNA
Stasis
46. Copying the code from DNA onto mRNA
DNA fingerprint
Sex Chromosomes
transcription
Rosalind Franklin
47. Another term for pure breeding
Homozygous
Heritable variation
Gene mutation
Cast
48. Two alternative forms of a gene e.g Tall vs Short
Alleles
Adaptive Radiation
Gene Flow
Crossing over
49. 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.
Gene pool
Mate Selection
deoxyribonucleic acid
translation
50. The region of the chromosome that holds the two sister chromatids together during mitosis
Locus
Cast
Centromere
vestigial (Evolution Evidence)
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