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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. Pea plants
Locus
Medel worked with _____
Geologic Evolution
Genome
2. The offspring of a cross between two inbred lines within a single species. May also refer to the offspring of across between two species
deoxyribose and phosphate
Stabilising selection
Variation
Hybrid
3. Structure present in an organism however does NOT have a known function. May link organisms with similar vestigial structures. Example: appendix - coccyx bone - whale leg bones.
Vestigial structure
embryological evidence
Heritable variation
Duplication
4. The condition in which there is no change in allele frequencies from generation to generation (i.e. no evolution)
Genetic Equilibrium
Mechanical (morphological) Isolation
Deletion
Sympatric Speciation
5. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Evolution
deoxyribose and phosphate
Amber
Speciation
6. Messenger RNA; type of RNA that carries instructions from DNA in the nucleus to the ribosome
Natural Selection
Sub - species
Fitness
mRNA
7. During transcription an RNA molecule is formed
that is complementary to a single strand of DNA
Dominant
Sequential Evolution
genes
8. Independent segregation of genes during the formation of gametes
three
molecular evidence
Independent assortment
The cell uses information from mRNA to produce proteins
9. DNA is made of...
Mass Extinction
nucleotides
Selection
Temporal Isolation
10. Organism is preserved at very low temperatures. Preservation of both hard and soft parts can occur.
Population
Dihybrid Cross
Adaptation
Ice
11. Separates DNA by size
nucleus
gel electrophoresis
Chiasma
Crossing over
12. Is a sequence of DNA that codes for a protein and thus determines a trait. This is because the sequence of bases code for certain proteins.
Gene
rRNA
Speciation
Mutation
13. Ribosomes are made of...
Analogous Structures (analogies)
Immigration
rRNA
Mate Selection
14. The movement of individuals into an area
Sequential Evolution
analogous (Evolution Evidence)
cytosine in DNA is about equal to the percentage of guanine molecules
Immigration
15. A base found in DNA (but not in RNA). This base pairs with Adenine.
Analogous Features
Thymine
Post -zygotic Mechanisms
Convergent Evolution
16. Change to a chromosome in which part of the chromosome is repeated
Heterozygous
Duplication
Phenotype
nucleotide
17. 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
Alleles
Comparative Anatomy
mRNA
Analogous Structures (analogies)
18. Is a base found in DNA and RNA. Cytosine pairs with Guanine in DNA
Isolating Mechanism
Cytosine
Mutation
Homozygote
19. Even if the gametes of the two species meet - fertilization does not occur
Vestigial structure
Population
Mesozoic era
Gamete Isolation
20. Change in a DNA sequence that affects genetic information
Mold
Divergent Evolution
Mutation
Testcross
21. A distinct population of a species that varies from other populations of the same species.
Sub - species
Heterozygous
Thymine
Genetic Equilibrium
22. Synonym for protein; chain of amino acids
Behavioral (ethological) Isolation
polypeptide
Gene
translation
23. Speciation preceded by a period of geographical isolation
Population
Allopatric Speciation
Homologous pair
Punnett Square
24. It means chromosomes are paired. One of each chromosome in a pair originates from the father and one from the mother. They affect the same trait - but don't necessarily cause the same expression of the trait.
Coevolution
Sympatric Speciation
Polyploidy
Homologous pair
25. Layers of compressed sedimentary rock demonstrate the order or sequence at which events occurred. Cannot delineate the exact point of time - but is able to distinguish the order of events.
Igneous and metamorphic rock
Deletion
Relative dating
Haploid/Monoploid
26. An evolutionary 'branch' and its daughter 'twigs'
transcription
Mechanical (morphological) Isolation
Genetic Drift
Clade
27. The type of environment in which an organism or group normally lives or occurs
Geographical Isolation
Habitat
Isolating Mechanism
translation
28. A pairing where the parent plants differ in only one character.
Natural Selection
tRNA
Monohybrid Cross
Genetic Drift
29. Embryos of similar organisms have very similar early development indicating similar DNA at work
Genetic Equilibrium
Comparative Embryology
Founder Effect
Artificial selection
30. 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
Homozygous
Artificial selection
Ecological (habitat) Isolation
three
31. Of a cell or organism having two sets of homologous chromosomes or twice the haploid number
Diploid
Pentadactyl limb
RNA polymerase
Ecological Barrier
32. A body cell
Polyploidy
Ring Species
Hershey and Chase
Somatic
33. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
cytosine in DNA is about equal to the percentage of guanine molecules
chromatin
Recessive
Molecular biology
34. Process by which one species gives rise to two or more species
Dihybrid Cross
Duplication
Speciation
amino acid
35. Threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next
Crossing over
Chromosomes
Homozygous
Genetic Drift
36. A geographic gradient in the extent to which a character is developed in a species
Sex Chromosomes
Directional Selection
clinC
Cytosine
37. The enzyme that binds to the promoter region of a gene during transcription is called...
Germ
RNA polymerase
Clade
Cenozoic era
38. The independant evolution of similar traits - starting from a similar ancestral condition
Genetic Equilibrium
Guanine
Parallel Evolution
Germ
39. process in which homologous chromosomes exchange portions of their chromatids during meiosis.
Disruptive Selection
ribose - phosphate - and a base
Gene Pool
Crossing over
40. The region of the chromosome that holds the two sister chromatids together during mitosis
NIche Isolation
Post -zygotic Mechanisms
Allopatric Speciation
Centromere
41. All the factors in an organism's surroundings that can potentially affect it
Environment
Crossing over
Molecular biology
Analogous Features
42. The formation of new species as a result of evolution
Speciation
Habitat
Dominant
Allele
43. Inherited feature that tends to prevent species from interbreeding with other species
Isolating Mechanism
Codon
Fitness
Deletion
44. A codon is made of...
Sex Chromosomes
3 nucleotides
NIche Isolation
deoxyribose and phosphate
45. Process by which an organism is slowly turned to stone as the body is replaced by minerals.
Petrification
Mesozoic era
GATTACA
trace fossils
46. Actual remains of an organism such as bones - teeth - shells - etc.
Mitosis
Species
body fossils
Coevolution
47. 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.
Igneous and metamorphic rock
Homologous pair
replication
Reproductive Isolation
48. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Geographical Isolation
analogous (Evolution Evidence)
DNA
Autosomes
49. A combining of genes or characters different from what they were in the parents
Igneous and metamorphic rock
NIche Isolation
Recombination
Hybrid Breakdown
50. Trait where heterozygous is a blending of two alleles
mRNA
Mendel's Principle of Segregation
Hominid
Genotype