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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. Predicts the possible outcome of a genetic cross.
transcription
Mendel's Principle of Segregation
Autosomes
Punnett Square
2. Features that are superficially similar but have different modes of development
Gene flow
Monohybrid
Analogous Features
Double Helix
3. Are noncoding sequences in the gene that are removed from RNA after transcription
Genetic Drift
introns
Fossils
Gene flow
4. Organisms with a similar underlying structure - but different function. Example: bird - bat and dolphin 'arm'. Shows a common ancestral link.
Homologous structures
mRNA
Igneous and metamorphic rock
introns
5. Visual expression of a trait
transcription
Phenotype
DNA fingerprint
Hershey and Chase
6. The study relating the evolution of new charateristics to changes in the genes controlling development
Incomplete Dominance
Monohybrid Cross
Allopatric Speciation
Evo Devo
7. A population partially isolated from other populations of the same species
proteins
Nucleotide
Deme
Mendel's traits are now called _____ found on DNA
8. Physical characteristics of an organism based on its genotype. e.g. Plant that has a genotype of TT will have a phenotype of Tall.
Phenotype
deoxyribonucleic acid
restriction enzymes - sticky ends
DNA
9. Threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next
Chromosomes
translation
restriction enzymes - sticky ends
Molecular biology
10. These prevent fertilization between species e.g. diff breeding season - mating behaviour
Pre -zygotic Mechanisms
Gene Flow
Histone
trace fossils
11. Which structure contains anticodons
tRNA
Polyploidy
Speciation
Dihybrid
12. The enzyme that binds to the promoter region of a gene during transcription is called...
RNA polymerase
amino acids
cytoplasm
Nucleotide
13. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Homologous Structures
Monophyletic
Comparative embryology
Bottle neck effect
14. Describes the existence of a prezygotic reproductive barrier between two species as a result of them occupying or breeding in different habitats within the same general geographical area
Vestigial structure
Guanine
Germ
Ecological (habitat) Isolation
15. Pea plants
Medel worked with _____
Analogous structures
Chromosome mutation
Cytosine
16. Process in which DNA is duplicated
Deletion
replication
GATTACA
Adenine
17. Similar DNA sequences or protein structures (such as hemoglobin) may link different species to a similar ancestor.
Fossil
Genotype
molecular evidence
Genetic Drift
18. Cell division that produces reproductive cells or gamates.This occurs in the gonads (testicle and ovaries in animals) Here the chromosome number is halved the original amount. (each new cell has a haploid number = n) All daughter cells are not geneti
Chiasma
Ecological (habitat) Isolation
Meiosis
Cast
19. Is the genetic makeup of an organism (TT or Tt) ; All the combinations of genes you have for a certain trait.
Stabilising selection
Comparative Embryology
Genotype
Crossing over
20. Type of rock made from small pieces of other rocks and organisms pressed together. Source of fossil preservation. Limited radioactive or absolute dating potential.
Niche
Genetic Equilibrium
Selection
Sedimentary Rock
21. A unique combination of traits that are passed down from one generation to another.
Ecological (habitat) Isolation
nucleus
anticodon
Heritable variation
22. How often a particular gene occurs in the population
anticodon
Nucleotide
Population
Gene frequency
23. A body cell
tRNA
Somatic
Clade
Phenotype
24. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
Chargaff
Convergent Evolution
Germ
deoxyribose and phosphate
25. Proteins are made of...
amino acids
Species
Hominid
Speciation
26. Transcrition occurs in the...
Genetic Equilibrium
nucleus
Ring Species
Fitness
27. Innate trait; shared ancestry
Species
Incomplete Dominance
homologous (Evolution Evidence)
three
28. A nucleotide of RNA is made of...
ribose - phosphate - and a base
transcription
Insertion
true
29. A small simple structure (as a fertilized egg) from which new tissue can develop into a complete organism. It is also a cell
Sexual Selection
Germ
Niche
Species
30. Genes contain instructions for assembling
proteins
index fossil
Population
replication
31. The region of the chromosome that holds the two sister chromatids together during mitosis
DNA
Ecological Barrier
Heritable variation
Centromere
32. The offspring of a cross between two inbred lines within a single species. May also refer to the offspring of across between two species
Macroevolution
Ecological Barrier
Hybrid
Environment
33. The condition in which there is no change in allele frequencies from generation to generation (i.e. no evolution)
codon
Genetic Equilibrium
Natural Selection
embryological evidence
34. Used x ray cyrstallography to create an image of DNA
Gametic
Mold
Mendel's traits are now called _____ found on DNA
Rosalind Franklin
35. Gene
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183
36. Periods of rapid evolution punctuated by periods of little change
Recessive
Punctuated Equilibrium
amino acids
Homologous pair
37. Evolution of the earth - which is hypothesized to have been formed over 4.6 billion years ago.
Geologic Evolution
vestigial (Evolution Evidence)
Gene Pool
Dominant
38. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic
Speciation
geologic time scale
amino acids
Hominid
39. Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
Cenozoic era
Natural Selection
Coevolution
embryological evidence
40. Is any chromosome that is not a sex chromosome.
Environment
Speciation
Autosomes
Immigration
41. Trait evolves overtime; NO common ancestry
embryological evidence
analogous (Evolution Evidence)
restriction enzyme
Founder Effect
42. A group of organisms of the same species occupying a given area.
Population
hydrogen bonds
Mutation
RNA polymerase
43. The movement of genes between populations as a result of mating of migration
Autosomes
Amber
Hybrid Breakdown
Gene Flow
44. Natural selection that causes the frequency of a particular allele to move in one direction
Sedimentary Rock
Recombination
Gene mutation
Directional Selection
45. 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
Variation
Analogous Structures (analogies)
Sex Chromosomes
Heritable variation
46. Three mRNA nucleotides that code for a specific amino acid
amino acids
RNA polymerase
three
codon
47. 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.
Hybrid Inviability
Locus
Natural Selection
Heterozygous
48. Is active during transcription
Geographical Isolation
Petrification
Hybrid Breakdown
RNA polymerase
49. Gradual evolution within a lineage
Sequential Evolution
Punnett Square
geologic time scale
Analogous Structures (analogies)
50. Similar embryological structures in different species - such as gill slits - may demonstrate that these species share a common ancestor.
DNA
Mold
clinC
embryological evidence