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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.
Mutation
Macroevolution
Punnett Square
Nucleotide
2. T or F a codon consist of three nucleotides
GATTACA
Absolute dating
true
embryological evidence
3. Process in which DNA is duplicated
Divergent Evolution
analogous (Evolution Evidence)
DNA fingerprint
replication
4. Is any chromosome that is not a sex chromosome.
Autosomes
cytoplasm
molecular evidence
trace fossils
5. Type of sympatric speciation that occurs when a new species is formed because of a change in microhabitats
Directional Selection
NIche Isolation
Adaptive Radiation
Gene flow
6. How many codons are needed to specify three amino acids
three
Somatic
Fossil
restriction enzymes - sticky ends
7. The type of environment in which an organism or group normally lives or occurs
Dihybrid Cross
Habitat
Coevolution
Absolute dating
8. Middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs - rise of flowering plants
Adaptive Radiation
Genome
Mesozoic era
Dominant
9. A change in the base sequence of a gene
Hybrid Breakdown
Coevolution
restriction enzymes - sticky ends
Gene mutation
10. Change to a chromosome in which a fragment of one chromosome attaches to a nonhomologous chromosome
Comparative Anatomy
Monophyletic
Pentadactyl limb
Translocation
11. Process by which one species gives rise to two or more species
Biogeography
Speciation
Selection
Deletion
12. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Precambrian era
Haploid/Monoploid
Mass Extinction
Speciation
13. Cell division in which the nucleus divides into nuclei containing the same number of chromosomes. Mitosis involves growth and repair and occurs in the body cells.
Locus
Mitosis
Chargaff
Post -zygotic Mechanisms
14. The banding pattern of a persons DNA after being cut and run on gel is called
Gamete Isolation
Testcross
Absolute dating
DNA fingerprint
15. DNA is made of...
rRNA
DNA fingerprint
Population
nucleotides
16. Transcrition occurs in the...
Gene Flow
If you lose one then you will still have one to back you up.
nucleus
Nucleotide
17. Shows how the embryos of different groups resemble each other at particular stages. Similarities indicate groups may share a common ancestor
Comparative Anatomy
Heterozygous
Sequential Evolution
Comparative embryology
18. A copy of a gene is made during a process called this
Recombination
polypeptide
transcription
False RNA
19. The comparison of the structures of different organisms
Heterozygous
Macroevolution
Comparative anatomy
Test Cross
20. All the factors in an organism's surroundings that can potentially affect it
Genome
Histone
Environment
Somatic
21. Individual that is heterozygous for two traits; shows the phenotype governed by the dominant alleles but carries the recessive alleles
Dihybrid
molecular evidence
RNA polymerase
Stabilising
22. An episode of large - scale extinction affecting many different groups of organisms within a short period of time
Sequential Evolution
Immigration
Mass Extinction
Industrial Melanism
23. Physical characteristics of an organism based on its genotype. e.g. Plant that has a genotype of TT will have a phenotype of Tall.
Ring Species
Balanced Polymorphism
Genotype
Phenotype
24. The inherited characteristic often masked by the dominant characteristic and not seen in an organism. e.g. Tt plant will still be tall. Where T is the dominant trait for tall and t is the recessive trait for small.
Recessive
Monohybrid Cross
Comparative Embryology
replication
25. A change in the base sequence of DNA; the ultimate source of new alleles
watson and crick
Genotype
Amber
Mutation
26. Mating of 2 oism that differ in 2 characters
Gene Flow
Centromere
Hershey and Chase
Dihybrid Cross
27. The study relating the evolution of new charateristics to changes in the genes controlling development
Evo Devo
Mutation
tRNA
true
28. When a few individuals become isolated from a larger population - this smaller group may establish a new population whose gene pool is different from their source population.
genes
GATTACA
RNA polymerase
Founder effect
29. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
Nucleotide
Geologic Evolution
Homozygote
Punctuated Equilibrium
30. Periods of rapid evolution punctuated by periods of little change
Insertion
Mitosis
deoxyribonucleic acid
Punctuated Equilibrium
31. During transcription an RNA molecule is formed
deoxyribonucleic acid
Reproductive Isolation
that is complementary to a single strand of DNA
tRNA
32. Types of rocks formed after exposure to very high heat. Because of the high temperatures - fossils are not able to be recovered from these types of rocks. Absolute or radioactive dating is possible - however.
Double Helix
watson and crick
Dominant
Igneous and metamorphic rock
33. 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
amino acids
Natural Selection
Mendel's traits are now called _____ found on DNA
Adaptation
34. Ribosomes are made of...
Species
rRNA
Analogous Structures (analogies)
Punnett Square
35. Is the genetic makeup of an organism (TT or Tt) ; All the combinations of genes you have for a certain trait.
deoxyribose and phosphate
Disruptive Selection
NIche Isolation
Genotype
36. An evolutionary 'branch' and its daughter 'twigs'
nucleotides
Clade
Mesozoic era
Species
37. 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.
tRNA
Chromosome mutation
translation
Cenozoic era
38. Impression made from a organism in soft material such as sand or mud.
Clade
If you lose one then you will still have one to back you up.
restriction enzyme
Mold
39. Pea plants
restriction enzymes - sticky ends
Evo Devo
Medel worked with _____
Mold
40. 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
Natural Selection
Gene pool
Hershey and Chase
Sequential Evolution
41. The independant evolution of similar traits - starting from a similar ancestral condition
Parallel Evolution
Gene frequency
Stabilising
mRNA
42. Change to a chromosome in which part of the chromosome is repeated
Mesozoic era
Duplication
Phylogeny
Gene mutation
43. Condition in which an organism has extra sets of chromosomes
Dihybrid Cross
tRNA
Polyploidy
Analogous Structures (analogies)
44. What is one benefit for having two strands of DNA?
If you lose one then you will still have one to back you up.
vestigial (Evolution Evidence)
mRNA
Cytosine
45. A limb with five digits (fingers)
Pentadactyl limb
Temporal Isolation
Hybrid
Petrification
46. How often a particular gene occurs in the population
Insertion
Mechanical (morphological) Isolation
Gene frequency
Fossil
47. These prevent fertilization between species e.g. diff breeding season - mating behaviour
three
Independent assortment
Pre -zygotic Mechanisms
Igneous and metamorphic rock
48. Synonym for protein; chain of amino acids
proteins
polypeptide
ribose - phosphate - and a base
Genetic Drift
49. A process that results in an allele having a different probability of remaining in the gene pool compared with that of another allele
Migration
Selection
Speciation
Directional Selection
50. 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
RNA polymerase
Fitness
Divergent Evolution
Codon