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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. Determined the concept of complementary base pairing
Chargaff
Extinction
Genotype
Testcross
2. Mutation where an extra base is added
Germ
Somatic
geologic time scale
Insertion
3. A fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found
Hybrid
index fossil
Analogous structures
Character Displacement
4. Breeding organisms with specific traits in order to produce offspring with identical traits
Ring Species
Artificial selection
Vestigial structure
Environment
5. Similar DNA sequences or protein structures (such as hemoglobin) may link different species to a similar ancestor.
Temporal Isolation
Allopatric Speciation
molecular evidence
Gametic
6. Is a base found in DNA and RNA. This base pairs with Cytosine in DNA
Guanine
Amber
chromatin
molecular evidence
7. A process where the organisms that have traits that aid in its survival (adaptive traits) will reproduce to pass that trait to futher generations thus increasing the frequency of that trait in the population. Vice versa traits that reduce the chance
Natural Selection
Paleozoic era
Convergent Evolution
Homologous pair
8. T or F If a nucleic acid contain uracil it is DNA
rRNA
False RNA
Clade
Gametic
9. Used x ray cyrstallography to create an image of DNA
Speciation
Gene frequency
Variation
Rosalind Franklin
10. A group of organisms of the same species occupying a given area.
Cytosine
Nucleotide
nucleotide
Population
11. Are noncoding sequences in the gene that are removed from RNA after transcription
Incomplete Dominance
Cenozoic era
Hybrid Inviability
introns
12. process in which homologous chromosomes exchange portions of their chromatids during meiosis.
introns
Homologous Structures
Crossing over
Independent assortment
13. A nucleotide of RNA is made of...
The cell uses information from mRNA to produce proteins
Precambrian era
Recessive
ribose - phosphate - and a base
14. The offspring of a cross between two inbred lines within a single species. May also refer to the offspring of across between two species
Hybrid
Homologous pair
deoxyribose and phosphate
Phenotype
15. Of a cell or organism having two sets of homologous chromosomes or twice the haploid number
Molecular biology
Diploid
Founder effect
three
16. Separation of species or populations so that they cannot interbreed and produce fertile offspring
Comparative anatomy
Ecological Barrier
Gamete Isolation
Reproductive Isolation
17. The environmental factors that favour certain phenotypes
Selection pressure
Coevolution
Vestigial structure
Rosalind Franklin
18. Type of sympatric speciation that occurs when a new species is formed because of a change in microhabitats
NIche Isolation
Sympatric Speciation
Extinction
Deme
19. A unique combination of traits that are passed down from one generation to another.
Genotype
Heritable variation
Organic Evolution
Clade
20. Organisms with a similar underlying structure - but different function. Example: bird - bat and dolphin 'arm'. Shows a common ancestral link.
Macroevolution
Homologous structures
Diploid
RNA polymerase
21. Hybrid is sterile so biologically unfit
Hybrid Infertility
Isolating Mechanism
Mate Selection
Reproductive Isolation
22. Three dimensional shape of organism made from a mold. May be created with plaster or over time with minerals.
homologous (Evolution Evidence)
Genome
embryological evidence
Cast
23. Organism is preserved at very low temperatures. Preservation of both hard and soft parts can occur.
Ice
Genotype
Mendel's Principle of Segregation
Translocation
24. The evolutionary history/geneology of a group of organisms (a tree thingy)
mRNA
three
Phylogeny
Heterozygote
25. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
Directional Selection
Hominid
Vestigial structure
Divergent Evolution
26. 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.
Locus
Mate Selection
Independent assortment
Isolating Mechanism
27. Trait evolves overtime; NO common ancestry
Polyploidy
Deletion
Bottleneck Effect
analogous (Evolution Evidence)
28. The type of environment in which an organism or group normally lives or occurs
Habitat
homologous (Evolution Evidence)
proteins
Disruptive Selection
29. A change or error in the DNA sequence
Polyploidy
Thymine
mutation
Ecological Barrier
30. 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.
Geographical Isolation
Absolute dating
amino acid
Sexual Selection
31. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
Natural Selection
GATTACA
Genetic Drift
tRNA
32. Consists of all genes - including all the different alleles - that are present in a population
Rosalind Franklin
Ecological Barrier
Relative dating
Gene pool
33. Separates DNA by size
Migration
Gene frequency
gel electrophoresis
Chromatid
34. Movement of organisms ro of from a population
Mass Extinction
Species
Sex Chromosomes
Migration
35. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
embryological evidence
Diploid
Deletion
Geographical Isolation
36. Deoxyribonucleic acid carries the genetic code for the proper functioning of an organism. It is composed of 5 carbon sugar (deoxyribose) four bases Adenine - Thymine - Cytosine and Guanine. the sugar is bonded to a phosphate group. This forms a long
Behavioral (ethological) Isolation
Selection
DNA
restriction enzyme
37. Predicts the possible outcome of a genetic cross.
Petrification
analogous (Evolution Evidence)
Punnett Square
gel electrophoresis
38. A copy of a gene is made during a process called this
Bottleneck Effect
Environment
transcription
Guanine
39. A pairing where the parent plants differ in only one character.
Adenine
molecular evidence
Monohybrid Cross
Genetic Drift
40. A combining of genes or characters different from what they were in the parents
Recombination
index fossil
proteins
Heterozygous
41. Proteins are made of...
Evolution
amino acids
trace fossils
Incomplete Dominance
42. Cross where you cross unknown genotype with a recessive
Test Cross
Biogeography
Directional Selection
Molecular biology
43. Reciprocal evolution in two species as a result of the selection pressure each imposes upon the other
Gene Pool
Coevolution
Mendel's traits are now called _____ found on DNA
Selection pressure
44. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic
Balanced Polymorphism
Stabilising
geologic time scale
Heterozygote
45. Impression made from a organism in soft material such as sand or mud.
Niche
Semi - conservative replication
index fossil
Mold
46. Determined the complete double helical structure of DNA
watson and crick
Codon
Extinction
body fossils
47. When zygote does not complete development or is physically weaker than normal
Hybrid Inviability
Population
hydrogen bonds
mRNA
48. The sum total of an organism's requirements; its way of life
Niche
Post -zygotic Mechanisms
Chromosomes
Stabilising selection
49. 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
Stasis
Fitness
Amber
Chromosomes
50. The study of the past and present distribution of species.
Behavioral (ethological) Isolation
vestigial (Evolution Evidence)
Genetic Equilibrium
Biogeography