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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. 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
Adaptation
Species
Duplication
Molecular biology
2. Separates DNA by size
Temporal Isolation
gel electrophoresis
Ice
Vestigial organs
3. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
Adaptive Radiation
restriction enzymes - sticky ends
Genotype
Population
4. Actual remains of an organism such as bones - teeth - shells - etc.
body fossils
Dihybrid Cross
clinC
Nucleotide
5. Which structure contains anticodons
Petrification
Heterozygote
Substitution
tRNA
6. The evolutionary process by which a species becomes better suited to its niche.
Adenine
Adaptation
Stabilising selection
Homozygous
7. Is found in DNA
Homologous Structures
Coevolution
Centromere
thymine
8. Transfer RNA; type of RNA that carries amino acids to the ribosome
Sympatric Speciation
Dominant
Chromosome mutation
tRNA
9. The evolutionary history/geneology of a group of organisms (a tree thingy)
Phylogeny
NIche Isolation
Industrial Melanism
restriction enzymes - sticky ends
10. Translation occurs in the...
Disruptive Selection
cytoplasm
Founder Effect
Sedimentary Rock
11. What happens during the process of translation
The cell uses information from mRNA to produce proteins
restriction enzymes - sticky ends
restriction enzyme
tRNA
12. Mutation where an extra base is added
Fossil
Natural Selection
Insertion
nucleotide
13. An equilibrium in the occurence of two or more different froms within the same population usually caused by different allele combiinations of a gene
Fossil
Balanced Polymorphism
three
Bottle neck effect
14. The study of the structures of different organisms - looking at homologous parts
Biogeography
Comparative Anatomy
stop codon
Mutation
15. Three mRNA nucleotides that code for a specific amino acid
Homologous structures
Semi - conservative replication
codon
Punctuated Equilibrium
16. Transcrition occurs in the...
nucleus
Alleles
Insertion
Incomplete Dominance
17. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
Selection
Chiasma
Mitosis
Founder Effect
18. Trait evolves overtime; NO common ancestry
analogous (Evolution Evidence)
Species
Heterozygous
Population
19. Periods of little adaptive change
Heterozygous
rRNA
Stasis
Temporal Isolation
20. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
tRNA
Medel worked with _____
nucleus
Behavioral (ethological) Isolation
21. Proteins are made of...
proteins
rRNA
amino acids
RNA polymerase
22. Different alleles for a gene
Heterozygote
Genotype
deoxyribonucleic acid
Species
23. The study of the past and present distribution of species.
Allele Frequency
Genotype
thymine
Biogeography
24. A unique combination of traits that are passed down from one generation to another.
Character Displacement
stop codon
Heritable variation
Macroevolution
25. Is a trait that is more expressed than another trait. Is written in capital letters for Genotype. E.g Tall genotype is TT or Tt where T is the allele for tall trait and t is the trait for small. T will be expressed more.
Coevolution
thymine
geologic time scale
Dominant
26. Used radioactive sulfur and radioactive phosphorus to determine that DNA is the genetic material - by demonstrating that it is DNA that is injected by bacteriophages into bacterial cells during infection
Hershey and Chase
Genetic Drift
Ecological Barrier
Chargaff
27. Natural selection that causes the frequency of a particular allele to move in one direction
Extinction
Directional Selection
Allele Frequency
Environment
28. 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.
Ring Species
Translocation
Variation
Mendel's Principle of Segregation
29. Human - like species that existed millions of years ago as witnessed through fossil evidence.
Common Ancestor
Hominid
Test Cross
Recessive
30. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Punctuated Equilibrium
Cast
Gene pool
Homologous Structures
31. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Temporal Isolation
Precambrian era
If you lose one then you will still have one to back you up.
Homologous structures
32. Recognize and cut DNA at specific sequences usually palindromes
Ring Species
watson and crick
amino acids
restriction enzyme
33. Selection acting against the extremes of a range of variation - resulting in resistance to change in allele frequencies
Homologous structures
Stabilising
chromatin
Phylogeny
34. Impression made from a organism in soft material such as sand or mud.
Mold
Homozygous
Ring Species
Temporal Isolation
35. A mutation in which one nucleotide is replaced by another nucleotide
translation
Substitution
replication
Gene Pool
36. Determined the complete double helical structure of DNA
Speciation
watson and crick
Monohybrid Cross
Hybrid Inviability
37. Used x ray cyrstallography to create an image of DNA
Geographical Isolation
Rosalind Franklin
Punctuated Equilibrium
Comparative Anatomy
38. A genetic crosses that involve one trait. e.g TT plant crossed with tt plant has offspring who are heterozygous Tt.
deoxyribonucleic acid
Monohybrid
translation
RNA polymerase
39. Inherited feature that tends to prevent species from interbreeding with other species
Isolating Mechanism
Petrification
Fossils
GATTACA
40. The enzyme that binds to the promoter region of a gene during transcription is called...
Natural Selection
RNA polymerase
Selection pressure
Chargaff
41. Large - scale evolutionary changes that take place over long periods of time
Genetic Drift
Macroevolution
Heterozygous
Adaptive Radiation
42. A pairing where the parent plants differ in only one character.
vestigial (Evolution Evidence)
Monohybrid Cross
Convergent Evolution
Bottle neck effect
43. Form of reproductive isolation in which structural differences in the anatomy of reproductive organs prevent sperm transfer between individuals of different species
Temporal Isolation
Phenotype
Test Cross
Mechanical (morphological) Isolation
44. Ribosomes are made of...
Environment
Incomplete Dominance
rRNA
mRNA
45. Process by which one species gives rise to two or more species
Ecological Barrier
Speciation
transcription
Duplication
46. A type of natural selection in which genetic diversity decreases as the population stabilises on a particular trait value
nucleotide
Variation
Stabilising selection
Bottle neck effect
47. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
GATTACA
chromatin
Homozygous
Industrial Melanism
48. Which type of Rna functions as a blue print of the genetic code
genes
restriction enzyme
Vestigial organs
mRNA
49. A combining of genes or characters different from what they were in the parents
Gene mutation
Recombination
Immigration
Incomplete Dominance
50. An episode of large - scale extinction affecting many different groups of organisms within a short period of time
Homozygous
codon
Allele Frequency
Mass Extinction