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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 complete double helical structure of DNA
Sequential Evolution
Species
Dominant
watson and crick
2. A trait that masks the expression of another trait
Mold
Geologic Evolution
Igneous and metamorphic rock
Dominant
3. Proteins are made of...
Ecological (habitat) Isolation
Bottle neck effect
Medel worked with _____
amino acids
4. The adaptive increase in pigmentation as a result of human - induced pollutants
Industrial Melanism
nucleus
Duplication
Pre -zygotic Mechanisms
5. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
GATTACA
Deletion
Substitution
Polyploidy
6. What happens during the process of translation
The cell uses information from mRNA to produce proteins
Homozygous
Stabilising
that is complementary to a single strand of DNA
7. A distinct population of a species that varies from other populations of the same species.
Gene Flow
Sub - species
mRNA
Codon
8. The environmental factors that favour certain phenotypes
Gene mutation
Selection pressure
Ice
Chromosomes
9. The complete genetic material contained in an individual
Speciation
Genome
deoxyribonucleic acid
Industrial Melanism
10. Organ no longer serves a function
Phylogeny
Gene flow
vestigial (Evolution Evidence)
Mendel's Principle of Segregation
11. Large - scale evolutionary changes that take place over long periods of time
deoxyribonucleic acid
Macroevolution
Polyploidy
Insertion
12. Translation occurs in the...
three
replication
Absolute dating
cytoplasm
13. The structure on a tRNA molecule that allows it interact with an mRNA molecule
geologic time scale
Founder Effect
anticodon
Population
14. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration
Punnett Square
cytoplasm
Adenine
Gene Pool
15. Innate trait; shared ancestry
homologous (Evolution Evidence)
Codon
Cenozoic era
Environment
16. Name for oism with one dominant and one recessive allele
index fossil
ribose - phosphate - and a base
Heterozygous
analogous (Evolution Evidence)
17. Gradual evolution within a lineage
Genetic Drift
Dihybrid
Crossing over
Sequential Evolution
18. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Geographical Isolation
deoxyribonucleic acid
Cast
Natural Selection
19. Copying the code from DNA onto mRNA
Independent assortment
Phenotype
Deletion
transcription
20. The final product of transcription is...
mRNA
Ice
Mesozoic era
Homozygous
21. The number of times an allele appears in a population
Adaptation
Allele Frequency
index fossil
Guanine
22. Genes contain instructions for assembling
body fossils
Reproductive Isolation
proteins
Mutagen
23. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
Germ
proteins
tRNA
Insertion
24. An organism that has characteristics resulting from chromosomal alteration. This is a result of crossing over of the chromosomes during Meiosis - mutations and random segregation.
molecular evidence
Bottleneck Effect
False genes
Variation
25. Similar embryological structures in different species - such as gill slits - may demonstrate that these species share a common ancestor.
Founder effect
embryological evidence
replication
codon
26. Visual expression of a trait
body fossils
Selection
Phenotype
Genetic Drift
27. 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
Homologous Structures
Species
Recessive
Comparative anatomy
28. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
Genotype
Hybrid
Divergent Evolution
RNA polymerase
29. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
Hybrid Inviability
Mutation
Sedimentary Rock
Incomplete Dominance
30. Nucleotides that control which amino acids are added during protein synthesis
mRNA
Chiasma
Codon
Hominid
31. A base found in DNA (but not in RNA). This base pairs with Adenine.
Thymine
nucleotide
Stabilising selection
Extinction
32. A nucleotide of RNA is made of...
Ecological Barrier
Environment
Hybrid Infertility
ribose - phosphate - and a base
33. Is found in DNA
Hybrid Inviability
thymine
Species
Sub - species
34. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
Centromere
replication
mRNA
Adaptive Radiation
35. Is the evolutionary process whereby a population becomes better suited to its habitat
genes
Adaptation
Selection
Testcross
36. Term used to refer to an organism that has two different alleles for the same trait. e.g Tt is the heterozygous genotype for Tall.
Heterozygous
body fossils
Ice
Autosomes
37. A change in the base sequence of DNA; the ultimate source of new alleles
Genetic Equilibrium
Post -zygotic Mechanisms
Adaptive Radiation
Mutation
38. A limb with five digits (fingers)
Mechanical (morphological) Isolation
Pentadactyl limb
Gene
Polyploidy
39. An episode of large - scale extinction affecting many different groups of organisms within a short period of time
Gene mutation
Mass Extinction
Genetic Drift
Chromosomes
40. The type of environment in which an organism or group normally lives or occurs
3 nucleotides
Habitat
Punnett Square
Mutation
41. Gene
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42. Form of reproductive isolation in which structural differences in the anatomy of reproductive organs prevent sperm transfer between individuals of different species
Evolution
molecular evidence
Mechanical (morphological) Isolation
Igneous and metamorphic rock
43. A geographic gradient in the extent to which a character is developed in a species
clinC
Isolating Mechanism
Alleles
3 nucleotides
44. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic
Clade
Haploid/Monoploid
Double Helix
geologic time scale
45. 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.
Genetic Drift
proteins
Test Cross
Vestigial organs
46. Evolution resulting from small specific genetic changes that can lead to a new subspecies
Microevolution
amino acid
Absolute dating
chromatin
47. Found only in that country
Phenotype
Adaptation
gel electrophoresis
Endemic
48. Similar DNA sequences or protein structures (such as hemoglobin) may link different species to a similar ancestor.
molecular evidence
Chromatid
Population
Haploid/Monoploid
49. 2 alleles for a character separate during the formation of gametes - so that each gamete only carriers one allele for each character
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50. Individual that is heterozygous for two traits; shows the phenotype governed by the dominant alleles but carries the recessive alleles
Dihybrid
Chiasma
mRNA
Adaptation