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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. Method of replication that implies that each new strand of DNA is half original and half new
deoxyribonucleic acid
Punnett Square
Variation
Semi - conservative replication
2. A distinct population of a species that varies from other populations of the same species.
Sub - species
Environment
Gametic
Habitat
3. 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.
Directional Selection
Heterozygote
Mitosis
Genetic Drift
4. What is one benefit for having two strands of DNA?
Immigration
Artificial selection
If you lose one then you will still have one to back you up.
Phyletic Gradualism (anagenesis)
5. The banding pattern of a persons DNA after being cut and run on gel is called
Fitness
DNA fingerprint
cytosine in DNA is about equal to the percentage of guanine molecules
vestigial (Evolution Evidence)
6. A codon is made of...
3 nucleotides
amino acid
Sedimentary Rock
Post -zygotic Mechanisms
7. What happens during the process of translation
rRNA
Vestigial structure
Test Cross
The cell uses information from mRNA to produce proteins
8. Type of sympatric speciation that occurs when a new species is formed because of a change in microhabitats
NIche Isolation
Hybrid Infertility
Industrial Melanism
Deletion
9. Movement of alleles into or out of a population due to the migration of individuals to or from the population
Mitosis
Gene flow
Monophyletic
amino acid
10. A pairing where the parent plants differ in only one character.
Polyploidy
Monohybrid Cross
Hybrid Inviability
Pentadactyl limb
11. Identical alleles for a gene
Natural Selection
Genetic Drift
Homozygote
Artificial selection
12. Describes a cell - nucleus - or organism that has only one set of unpaired chromosomes
Bottle neck effect
Locus
Haploid/Monoploid
Deletion
13. A taxon originating from and including a single common ancestor
its negative charge
Monophyletic
true
Organic Evolution
14. Transfer RNA; type of RNA that carries amino acids to the ribosome
Directional Selection
chromatin
Geographical Isolation
tRNA
15. Inherited feature that tends to prevent species from interbreeding with other species
Isolating Mechanism
Directional Selection
Gene frequency
Adaptive Radiation
16. 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
molecular evidence
Founder Effect
Codon
17. The complete genetic material contained in an individual
Disruptive Selection
Genome
Meiosis
Hybrid
18. During transcription an RNA molecule is formed
Habitat
that is complementary to a single strand of DNA
Chargaff
cytosine in DNA is about equal to the percentage of guanine molecules
19. The movement of individuals into an area
cytosine in DNA is about equal to the percentage of guanine molecules
Immigration
Medel worked with _____
Sub - species
20. Which type of Rna functions as a blue print of the genetic code
Mutagen
Recessive
Fitness
mRNA
21. Gradual evolution within a lineage
Centromere
vestigial (Evolution Evidence)
Guanine
Sequential Evolution
22. The formation of new species as a result of evolution
restriction enzyme
Speciation
Hybrid
Allele Frequency
23. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration
Recessive
Gene Pool
Stasis
Heritable variation
24. Three dimensional shape of organism made from a mold. May be created with plaster or over time with minerals.
Duplication
Cast
Geographical Isolation
Precambrian era
25. Synonym for protein; chain of amino acids
polypeptide
Immigration
Balanced Polymorphism
Molecular biology
26. Process in which DNA is duplicated
Founder effect
Immigration
replication
Genetic Equilibrium
27. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
Recombination
Adaptive Radiation
Organic Evolution
Cytosine
28. Even if the gametes of the two species meet - fertilization does not occur
Allele Frequency
Locus
Gamete Isolation
Cenozoic era
29. Selection for the ability to obtain a mate
Recessive
Sexual Selection
Allele Frequency
Adenine
30. T or F A cloned organism has the same proteins as another organism
its negative charge
Meiosis
Hybrid Infertility
False genes
31. A change in the base sequence of a gene
Mold
Gene mutation
Diploid
chromatin
32. Evolution of the earth - which is hypothesized to have been formed over 4.6 billion years ago.
Comparative Anatomy
Allopatric Speciation
Geologic Evolution
Semi - conservative replication
33. Of a cell or organism having two sets of homologous chromosomes or twice the haploid number
Recessive
Fitness
embryological evidence
Diploid
34. The sum total of an organism's requirements; its way of life
Niche
Speciation
Speciation
polypeptide
35. Natural disaster eliminates most of the population - members left contribute the alleles for the new population.
Bottle neck effect
Balanced Polymorphism
Natural Selection
Alleles
36. Process by which an organism is slowly turned to stone as the body is replaced by minerals.
Haploid/Monoploid
Mendel's Principle of Segregation
Heterozygous
Petrification
37. Messenger RNA; type of RNA that carries instructions from DNA in the nucleus to the ribosome
Igneous and metamorphic rock
mRNA
Directional Selection
restriction enzyme
38. Recognize and cut DNA at specific sequences usually palindromes
restriction enzyme
Insertion
Ecological (habitat) Isolation
Independent assortment
39. Copying the code from DNA onto mRNA
three
transcription
Fossils
Thymine
40. 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
Mass Extinction
Macroevolution
Deme
Meiosis
41. Evolution resulting from small specific genetic changes that can lead to a new subspecies
Recessive
Mutation
homologous (Evolution Evidence)
Microevolution
42. Is found in DNA
Coevolution
that is complementary to a single strand of DNA
thymine
Founder Effect
43. Mating of 2 oism that differ in 2 characters
rRNA
Dihybrid Cross
clinC
Punctuated Equilibrium
44. Speciation which does not involve a period of geographical separation
Organic Evolution
Comparative Anatomy
tRNA
Sympatric Speciation
45. Is a base found in DNA and RNA. In DNA its partner is Thymine. In RNA its partner is Uracil
index fossil
true
Genetic Drift
Adenine
46. T or F a codon consist of three nucleotides
Gene flow
mRNA
true
Analogous Structures (analogies)
47. Any preserved remains of an organism from the past. Usually found in sedimentary rock.
Adaptation
Fossils
Dominant
Rosalind Franklin
48. What does DNA stand for...
Selection
deoxyribonucleic acid
Deme
Germ
49. Organisms with similar functions - but different underlying structure. Example: bird and insect wing. These structures do NOT show a common ancestral link.
Analogous structures
Population
Homozygous
Chromosome mutation
50. A DNA double helix is held together in the center by between nitrogenous bases
proteins
Hybrid
tRNA
hydrogen bonds