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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. 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.
Founder effect
Chromosome mutation
Niche
Duplication
2. Speciation preceded by a period of geographical isolation
Biogeography
Insertion
Allopatric Speciation
Bottleneck Effect
3. Method of replication that implies that each new strand of DNA is half original and half new
Temporal Isolation
Ring Species
its negative charge
Semi - conservative replication
4. 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.
Homologous pair
Absolute dating
Geologic Evolution
Haploid/Monoploid
5. All the factors in an organism's surroundings that can potentially affect it
Directional Selection
Genetic Drift
Sedimentary Rock
Environment
6. 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.
translation
Hybrid Breakdown
Mitosis
Mutation
7. Selection acting against the extremes of a range of variation - resulting in resistance to change in allele frequencies
Balanced Polymorphism
Allele Frequency
Autosomes
Stabilising
8. Is any chromosome that is not a sex chromosome.
Chromatid
Genetic Drift
False RNA
Autosomes
9. Organisms with similar functions - but different underlying structure. Example: bird and insect wing. These structures do NOT show a common ancestral link.
its negative charge
Pre -zygotic Mechanisms
Analogous structures
Genotype
10. Selection acting against the middle of a range of variation
RNA polymerase
Stabilising
Chromatid
Disruptive Selection
11. Impression made from a organism in soft material such as sand or mud.
Population
restriction enzyme
Temporal Isolation
Mold
12. Hybrid is sterile so biologically unfit
Biogeography
Relative dating
Hybrid Infertility
Comparative Embryology
13. Process by which a ribosome uses the code on mRNA to make proteins
Independent assortment
translation
Stabilising
Testcross
14. The complete genetic material contained in an individual
Genome
Comparative embryology
Rosalind Franklin
Igneous and metamorphic rock
15. T or F If a nucleic acid contain uracil it is DNA
False RNA
Monohybrid
Dihybrid Cross
Coevolution
16. Building block of a protein
Monohybrid
Analogous structures
amino acid
3 nucleotides
17. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
GATTACA
anticodon
Macroevolution
Immigration
18. Is a base found in DNA and RNA. This base pairs with Cytosine in DNA
Guanine
translation
Heterozygous
that is complementary to a single strand of DNA
19. 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
stop codon
Meiosis
Divergent Evolution
Mass Extinction
20. Is active during transcription
Parallel Evolution
RNA polymerase
Environment
Microevolution
21. 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
Genetic Drift
Codon
Translocation
22. During transcription an RNA molecule is formed
codon
amino acid
Punnett Square
that is complementary to a single strand of DNA
23. Natural disaster eliminates most of the population - members left contribute the alleles for the new population.
Testcross
Pre -zygotic Mechanisms
Mitosis
Bottle neck effect
24. A geographic gradient in the extent to which a character is developed in a species
clinC
Biogeography
Sequential Evolution
Gene flow
25. Dna moves during electrophoresis because of...
its negative charge
Microevolution
Population
amino acid
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
molecular evidence
Mutation
Hershey and Chase
Chargaff
27. Form of reproductive isolation in which tere are differences in species courtship behavior
Niche
trace fossils
Evolution
Behavioral (ethological) Isolation
28. Evolution resulting from small specific genetic changes that can lead to a new subspecies
Macroevolution
Microevolution
Population
Environment
29. Is a base found in DNA and RNA. Cytosine pairs with Guanine in DNA
Duplication
Cytosine
DNA
Evo Devo
30. Ribosomes are made of...
Petrification
Bottleneck Effect
Ecological Barrier
rRNA
31. Selection for the ability to obtain a mate
Habitat
Chiasma
Sexual Selection
Cenozoic era
32. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
tRNA
Ring Species
Meiosis
Heterozygous
33. Translation occurs in the...
Speciation
cytoplasm
Chargaff
Ecological Barrier
34. Copying the code from DNA onto mRNA
transcription
Isolating Mechanism
embryological evidence
Natural Selection
35. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Amber
Stabilising selection
Stasis
Histone
36. Process by which one species gives rise to two or more species
Pre -zygotic Mechanisms
Speciation
Vestigial structure
proteins
37. Organ no longer serves a function
vestigial (Evolution Evidence)
Test Cross
Medel worked with _____
Nucleotide
38. Of a cell or organism having two sets of homologous chromosomes or twice the haploid number
Dominant
Locus
Diploid
Sexual Selection
39. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
Deme
Histone
its negative charge
Gametic
40. When zygote does not complete development or is physically weaker than normal
Hybrid Inviability
Artificial selection
Disruptive Selection
Bottle neck effect
41. Actual remains of an organism such as bones - teeth - shells - etc.
Evo Devo
body fossils
Haploid/Monoploid
Selection
42. Inherited feature that tends to prevent species from interbreeding with other species
The cell uses information from mRNA to produce proteins
Phenotype
Isolating Mechanism
GATTACA
43. 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
Fitness
Double Helix
Isolating Mechanism
Pentadactyl limb
44. Condition in which an organism has extra sets of chromosomes
Polyploidy
homologous (Evolution Evidence)
deoxyribonucleic acid
Sympatric Speciation
45. Group of individuals of the same species that live in the same area
Nucleotide
Pentadactyl limb
Fitness
Population
46. Separates DNA by size
gel electrophoresis
Gene mutation
Dihybrid Cross
index fossil
47. Gene
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48. A pairing where the parent plants differ in only one character.
Monohybrid Cross
polypeptide
Population
Chromatid
49. Mutation where an extra base is added
Independent assortment
Stabilising
Insertion
Reproductive Isolation
50. An equilibrium in the occurence of two or more different froms within the same population usually caused by different allele combiinations of a gene
DNA
Balanced Polymorphism
Homozygote
Gamete Isolation