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. Form of reproductive isolation in which tere are differences in species courtship behavior
Behavioral (ethological) Isolation
geologic time scale
Evo Devo
Sex Chromosomes
2. A taxon originating from and including a single common ancestor
Heritable variation
Sedimentary Rock
Monophyletic
Crossing over
3. Process in which DNA is duplicated
Artificial selection
Chiasma
replication
Immigration
4. Is a base found in DNA and RNA. Cytosine pairs with Guanine in DNA
Speciation
Gametic
Cytosine
Reproductive Isolation
5. Which type of Rna functions as a blue print of the genetic code
Hybrid
Species
Endemic
mRNA
6. In the event of a sperm fertilizing an egg of another species - mechanisms that prevent result being fruitful
Mitosis
Parallel Evolution
Post -zygotic Mechanisms
Dominant
7. Selection against one end of a range of variation - resulting in a progressive change in allele frequency
Duplication
Directional Selection
Gamete Isolation
Diploid
8. Separates DNA by size
Allele Frequency
Analogous Structures (analogies)
Convergent Evolution
gel electrophoresis
9. Describes a cell - nucleus - or organism that has only one set of unpaired chromosomes
Divergent Evolution
Gene mutation
Haploid/Monoploid
gel electrophoresis
10. Separation of species or populations so that they cannot interbreed and produce fertile offspring
Reproductive Isolation
homologous (Evolution Evidence)
mRNA
molecular evidence
11. Two alternative forms of a gene e.g Tall vs Short
Variation
amino acids
Alleles
Mutation
12. Is active during transcription
Natural Selection
restriction enzymes - sticky ends
RNA polymerase
Gene pool
13. A group of organisms of the same species occupying a given area.
Population
Monophyletic
cytoplasm
Allele
14. When chromosome is changed by radiation and chemicals - results a permanent structural change in the chromosome - which will no longer be able to pair with its homologous pair. Eg - deletion - duplication - inversion and translocation.
Sympatric Speciation
Comparative Anatomy
codon
Chromosome mutation
15. Features that are superficially similar but have different modes of development
Cenozoic era
replication
Chromatid
Analogous Features
16. Are noncoding sequences in the gene that are removed from RNA after transcription
Gene Flow
Mesozoic era
introns
Genetic Equilibrium
17. Three dimensional shape of organism made from a mold. May be created with plaster or over time with minerals.
Incomplete Dominance
Double Helix
Allele Frequency
Cast
18. The reduction of a population - typically by a natural disaster - such that the surviving population is no longer genetically representative of the original population.
Sex Chromosomes
gel electrophoresis
Precambrian era
Bottleneck Effect
19. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
Genome
transcription
Precambrian era
Histone
20. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
Monohybrid Cross
Natural Selection
Niche
trace fossils
21. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
amino acid
Chromatid
Evolution
Somatic
22. The condition in which there is no change in allele frequencies from generation to generation (i.e. no evolution)
Genetic Equilibrium
Hershey and Chase
Fossils
Environment
23. A change in the base sequence of a gene
vestigial (Evolution Evidence)
Deme
RNA polymerase
Gene mutation
24. Transfer RNA; type of RNA that carries amino acids to the ribosome
Autosomes
Disruptive Selection
Gene Flow
tRNA
25. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic
Chiasma
Post -zygotic Mechanisms
geologic time scale
Somatic
26. The inherited characteristic often masked by the dominant characteristic and not seen in an organism. e.g. Tt plant will still be tall. Where T is the dominant trait for tall and t is the recessive trait for small.
Homologous structures
rRNA
Recessive
molecular evidence
27. Pea plants
chromatin
Reproductive Isolation
Medel worked with _____
watson and crick
28. Shows how the embryos of different groups resemble each other at particular stages. Similarities indicate groups may share a common ancestor
Comparative embryology
Duplication
Vestigial organs
its negative charge
29. A change in the base sequence of DNA; the ultimate source of new alleles
Test Cross
Allele Frequency
Mutation
Variation
30. A trait that masks the expression of another trait
Substitution
Geographical Isolation
Dominant
DNA fingerprint
31. A nucleotide of RNA is made of...
genes
Gene
Allele
ribose - phosphate - and a base
32. process in which homologous chromosomes exchange portions of their chromatids during meiosis.
Coevolution
Crossing over
Geographical Isolation
Common Ancestor
33. The enzyme that binds to the promoter region of a gene during transcription is called...
RNA polymerase
Mold
Germ
Vestigial organs
34. Is found in DNA
Medel worked with _____
Test Cross
thymine
Speciation
35. The comparison of the structures of different organisms
Monohybrid Cross
Speciation
Comparative anatomy
Germ
36. Name for oism with one dominant and one recessive allele
Gene Pool
Cast
If you lose one then you will still have one to back you up.
Heterozygous
37. Is the evolutionary process whereby a population becomes better suited to its habitat
Comparative Embryology
restriction enzyme
Adaptation
Mechanical (morphological) Isolation
38. A base found in DNA (but not in RNA). This base pairs with Adenine.
nucleus
Thymine
Phyletic Gradualism (anagenesis)
Absolute dating
39. Gene
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
40. Natural selection that causes the frequency of a particular allele to move in one direction
Speciation
Directional Selection
transcription
Ring Species
41. Nucleotides that control which amino acids are added during protein synthesis
translation
Allele
Polyploidy
Codon
42. A change or error in the DNA sequence
Adaptive Radiation
Directional Selection
mutation
translation
43. The adaptive increase in pigmentation as a result of human - induced pollutants
Industrial Melanism
Thymine
Vestigial structure
Analogous structures
44. Term used to refer to an organism that has two identical alleles for a particular trait. e.g TT is the homozygous genotype for Tall.
mRNA
Habitat
restriction enzyme
Homozygous
45. Impression made from a organism in soft material such as sand or mud.
Nucleotide
Mold
ribose - phosphate - and a base
Evolution
46. An episode of large - scale extinction affecting many different groups of organisms within a short period of time
Allele Frequency
Test Cross
NIche Isolation
Mass Extinction
47. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
geologic time scale
Divergent Evolution
Adaptation
Sub - species
48. Form of reproductive isolation in which two populations reproduce at different times
Test Cross
If you lose one then you will still have one to back you up.
False RNA
Temporal Isolation
49. The number of times an allele appears in a population
Cytosine
codon
Allele Frequency
three
50. Three mRNA nucleotides that code for a specific amino acid
Gene Flow
rRNA
Deletion
codon