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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. Cross where you cross unknown genotype with a recessive
Hybrid Breakdown
If you lose one then you will still have one to back you up.
Test Cross
geologic time scale
2. Selection acting against the extremes of a range of variation - resulting in resistance to change in allele frequencies
Genetic Drift
Stabilising
Organic Evolution
Homologous Structures
3. Middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs - rise of flowering plants
Genotype
DNA
Mesozoic era
Analogous Structures (analogies)
4. Threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next
Semi - conservative replication
RNA polymerase
Chromosomes
Gene
5. Copying the code from DNA onto mRNA
Paleozoic era
Cenozoic era
mutation
transcription
6. Change in a DNA sequence that affects genetic information
Test Cross
Bottleneck Effect
Gene flow
Mutation
7. Evolution of the earth - which is hypothesized to have been formed over 4.6 billion years ago.
Hybrid Inviability
clinC
Geologic Evolution
Monohybrid Cross
8. Determined the complete double helical structure of DNA
Cytosine
Biogeography
watson and crick
restriction enzyme
9. Another term for pure breeding
anticodon
Homozygous
Gametic
Pentadactyl limb
10. The specific location of a gene on a chromosome
translation
Comparative Anatomy
Locus
Allele
11. T or F a codon consist of three nucleotides
true
Homologous pair
proteins
molecular evidence
12. The reduction of a population - typically by a natural disaster - such that the surviving population is no longer genetically representative of the original population.
Bottleneck Effect
Geologic Evolution
Mendel's traits are now called _____ found on DNA
Dominant
13. A population partially isolated from other populations of the same species
Temporal Isolation
Phenotype
Deme
Sub - species
14. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Homologous Structures
Nucleotide
Biogeography
Directional Selection
15. Process in which DNA is duplicated
replication
Species
Ice
Recessive
16. Shows how the embryos of different groups resemble each other at particular stages. Similarities indicate groups may share a common ancestor
Vestigial structure
Punctuated Equilibrium
Comparative embryology
Gene Flow
17. Form of reproductive isolation in which two populations reproduce at different times
mRNA
Temporal Isolation
gel electrophoresis
Adenine
18. Ribosomal RNA; type of RNA that makes up part of the ribosome
Cytosine
Homologous pair
rRNA
proteins
19. Periods of little adaptive change
Sex Chromosomes
Testcross
Stasis
translation
20. When zygote does not complete development or is physically weaker than normal
Duplication
DNA fingerprint
Hybrid Inviability
Comparative embryology
21. Ribosomes are made of...
Incomplete Dominance
Gene mutation
Variation
rRNA
22. Recognize and cut DNA at specific sequences usually palindromes
restriction enzyme
Sympatric Speciation
Ecological (habitat) Isolation
Chiasma
23. Any preserved remains of an organism from the past. Usually found in sedimentary rock.
Monophyletic
Fossils
Double Helix
Genome
24. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
Incomplete Dominance
Gene pool
Germ
Test Cross
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.
Niche
Directional Selection
Dominant
Geographical Isolation
26. Mating of an individual of unknown genotype but dominant phenotype w/ a homozygous recessive individual
deoxyribonucleic acid
Testcross
Hominid
Mass Extinction
27. The environmental factors that favour certain phenotypes
Genetic Drift
RNA polymerase
thymine
Selection pressure
28. Predicts the possible outcome of a genetic cross.
Monohybrid
Punnett Square
homologous (Evolution Evidence)
Recombination
29. 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.
GATTACA
Mesozoic era
Igneous and metamorphic rock
deoxyribonucleic acid
30. Any agent that can cause a change in DNA
Mutagen
chromatin
Histone
Thymine
31. Mating of 2 oism that differ in 2 characters
Dihybrid Cross
Mendel's Principle of Segregation
Genetic Drift
Endemic
32. A change or error in the DNA sequence
Heritable variation
transcription
Pentadactyl limb
mutation
33. 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
Comparative embryology
Somatic
Adaptation
34. Form of reproductive isolation in which structural differences in the anatomy of reproductive organs prevent sperm transfer between individuals of different species
Mechanical (morphological) Isolation
Thymine
Rosalind Franklin
Allele Frequency
35. Identical alleles for a gene
Sedimentary Rock
Variation
cytosine in DNA is about equal to the percentage of guanine molecules
Homozygote
36. Genes contain instructions for assembling
Natural Selection
proteins
restriction enzyme
Mass Extinction
37. 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
Industrial Melanism
Mechanical (morphological) Isolation
Dominant
38. The formation of new species as a result of evolution
Mold
Speciation
Mesozoic era
clinC
39. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
Analogous Structures (analogies)
Gene pool
Evolution
Temporal Isolation
40. A nucleotide of RNA is made of...
Testcross
ribose - phosphate - and a base
Gamete Isolation
Independent assortment
41. 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.
Germ
Genome
three
Variation
42. Era of recent life that began about 66 million years ago and continues today; includes the first appearance Hominids
Cenozoic era
Mold
Behavioral (ethological) Isolation
Disruptive Selection
43. The final product of transcription is...
Allele
mRNA
Niche
Mutation
44. Process by which a ribosome uses the code on mRNA to make proteins
Thymine
Rosalind Franklin
Population
translation
45. A copy of a gene is made during a process called this
its negative charge
Comparative anatomy
Sub - species
transcription
46. A distinct population of a species that varies from other populations of the same species.
introns
vestigial (Evolution Evidence)
3 nucleotides
Sub - species
47. The study of the structures of different organisms - looking at homologous parts
Niche
Hershey and Chase
Comparative Anatomy
Directional Selection
48. Pea plants
cytoplasm
Medel worked with _____
False genes
Deletion
49. Impression made from a organism in soft material such as sand or mud.
Mold
transcription
DNA
Dihybrid
50. Process by which an organism is slowly turned to stone as the body is replaced by minerals.
Heterozygous
Gametic
Petrification
Recombination