SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Reciprocal evolution in two species as a result of the selection pressure each imposes upon the other
Coevolution
Heritable variation
stop codon
Comparative anatomy
2. A model for the evolution of different froms over a long period of time but with only slight chchanges occring between successive generations
Phyletic Gradualism (anagenesis)
Sympatric Speciation
Species
codon
3. Selection acting against the extremes of a range of variation - resulting in resistance to change in allele frequencies
Behavioral (ethological) Isolation
Stabilising
Natural Selection
Founder effect
4. Chromosomes that determine the sex of an individual. These are X for female and Y for male. The female egg is an X while the male sperm can be X or Y
Disruptive Selection
Environment
Analogous Structures (analogies)
Sex Chromosomes
5. A group of organisms whose members are sufficiently alike to be able to reproduce and produce fertile offspring and who are unable to reproduce with other such groups
Deme
Species
translation
cytosine in DNA is about equal to the percentage of guanine molecules
6. Building block of a protein
DNA fingerprint
amino acid
Extinction
nucleotide
7. A base found in DNA (but not in RNA). This base pairs with Adenine.
Chromosome mutation
Genetic Equilibrium
Thymine
RNA polymerase
8. Building block of a nucleic acid (DNA and RNA)
Species
nucleotide
Temporal Isolation
Insertion
9. The final product of transcription is...
Gene Flow
mRNA
Deletion
Monohybrid
10. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
Gene pool
Comparative Anatomy
Genetic Equilibrium
Incomplete Dominance
11. The enzyme that binds to the promoter region of a gene during transcription is called...
tRNA
Migration
RNA polymerase
Polyploidy
12. A copy of a gene is made during a process called this
Hominid
transcription
Allele Frequency
Comparative Anatomy
13. Synonym for protein; chain of amino acids
polypeptide
Endemic
Centromere
Germ
14. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
False RNA
tRNA
Molecular biology
Coevolution
15. A group of organisms of the same species occupying a given area.
Disruptive Selection
Population
Fitness
Industrial Melanism
16. Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
Natural Selection
Gene flow
anticodon
Selection pressure
17. How often a form of a gene appears in a gene pool
Comparative Embryology
Hybrid
Allele Frequency
Gene frequency
18. T or F If a nucleic acid contain uracil it is DNA
Incomplete Dominance
Founder Effect
Evolution
False RNA
19. Evolution of living things - based on evidence from the past and present.
amino acids
Habitat
Adaptation
Organic Evolution
20. A mutation in which one nucleotide is replaced by another nucleotide
Substitution
Homozygous
Heterozygote
Phylogeny
21. An evolutionary 'branch' and its daughter 'twigs'
Comparative embryology
tRNA
Allele
Clade
22. Separation of species or populations so that they cannot interbreed and produce fertile offspring
Hybrid Breakdown
Disruptive Selection
Reproductive Isolation
Homozygous
23. Gradual evolution within a lineage
Genetic Drift
Sequential Evolution
cytosine in DNA is about equal to the percentage of guanine molecules
Phylogeny
24. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Thymine
Homologous Structures
Dominant
that is complementary to a single strand of DNA
25. Form of reproductive isolation in which structural differences in the anatomy of reproductive organs prevent sperm transfer between individuals of different species
Ecological Barrier
Species
Sexual Selection
Mechanical (morphological) Isolation
26. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Mendel's traits are now called _____ found on DNA
Ring Species
Extinction
index fossil
27. The movement of individuals into an area
False genes
Mechanical (morphological) Isolation
three
Immigration
28. Is the evolutionary process whereby a population becomes better suited to its habitat
Mold
watson and crick
Natural Selection
Adaptation
29. Are noncoding sequences in the gene that are removed from RNA after transcription
rRNA
Parallel Evolution
Disruptive Selection
introns
30. Periods of rapid evolution punctuated by periods of little change
Locus
Punctuated Equilibrium
Endemic
Independent assortment
31. The specific location of a gene on a chromosome
Industrial Melanism
Locus
Organic Evolution
False genes
32. Proteins are made of...
Sympatric Speciation
RNA polymerase
amino acids
Diploid
33. One of the identical rods of a chromosome.
Translocation
Phylogeny
Variation
Chromatid
34. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Mutation
Bottleneck Effect
Deme
Precambrian era
35. The structure on a tRNA molecule that allows it interact with an mRNA molecule
Codon
Gene
tRNA
anticodon
36. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
Guanine
Common Ancestor
tRNA
Phylogeny
37. Used x ray cyrstallography to create an image of DNA
Natural Selection
index fossil
nucleotide
Rosalind Franklin
38. Geologic period that followed the Precambrian;means 'ancient life' - early life (570-286 million years ago); single cell organisms - shells - mollusks - rise of first vertebrates - rise of land plants - amphibians - insects - seed plants - and trees
Sedimentary Rock
Monohybrid Cross
Phylogeny
Paleozoic era
39. Process by which a ribosome uses the code on mRNA to make proteins
Environment
Duplication
translation
Substitution
40. A limb with five digits (fingers)
that is complementary to a single strand of DNA
Pentadactyl limb
stop codon
Dominant
41. Breeding organisms with specific traits in order to produce offspring with identical traits
Artificial selection
rRNA
If you lose one then you will still have one to back you up.
Analogous Features
42. Evolution of the earth - which is hypothesized to have been formed over 4.6 billion years ago.
Deme
that is complementary to a single strand of DNA
Gene frequency
Geologic Evolution
43. A type of barrier between species; the species remain isolated because male and femal gametes of the different species cannot fuse - or they die before they unite.
Gametic
Mate Selection
deoxyribose and phosphate
Population
44. Process by which an organism is slowly turned to stone as the body is replaced by minerals.
Balanced Polymorphism
Mitosis
polypeptide
Petrification
45. Situation in which allele frequencies remain constant
Mutation
Genetic Equilibrium
Sub - species
Reproductive Isolation
46. 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.
Vestigial organs
Parallel Evolution
Founder effect
Allele Frequency
47. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
Phylogeny
Genetic Equilibrium
body fossils
Nucleotide
48. Actual remains of an organism such as bones - teeth - shells - etc.
body fossils
Gene Flow
tRNA
False genes
49. An episode of large - scale extinction affecting many different groups of organisms within a short period of time
Duplication
Mass Extinction
Analogous Structures (analogies)
Heterozygous
50. During transcription an RNA molecule is formed
Independent assortment
that is complementary to a single strand of DNA
Extinction
Migration