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. Building block of a nucleic acid (DNA and RNA)
Genome
Speciation
Adaptation
nucleotide
2. Gene
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
3. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
homologous (Evolution Evidence)
transcription
Incomplete Dominance
Natural Selection
4. Genes contain instructions for assembling
Population
Recessive
proteins
Geologic Evolution
5. Large - scale evolutionary changes that take place over long periods of time
introns
RNA polymerase
Macroevolution
cytoplasm
6. The complete genetic material contained in an individual
Deme
Heritable variation
geologic time scale
Genome
7. The environmental factors that favour certain phenotypes
proteins
mRNA
Medel worked with _____
Selection pressure
8. Different alleles for a gene
Mesozoic era
DNA
Industrial Melanism
Heterozygote
9. A genetic crosses that involve one trait. e.g TT plant crossed with tt plant has offspring who are heterozygous Tt.
Monohybrid
Incomplete Dominance
Disruptive Selection
Germ
10. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
vestigial (Evolution Evidence)
3 nucleotides
Homologous Structures
true
11. Deoxyribonucleic acid carries the genetic code for the proper functioning of an organism. It is composed of 5 carbon sugar (deoxyribose) four bases Adenine - Thymine - Cytosine and Guanine. the sugar is bonded to a phosphate group. This forms a long
If you lose one then you will still have one to back you up.
true
DNA
DNA fingerprint
12. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
Directional Selection
clinC
tRNA
Evo Devo
13. Gradual evolution within a lineage
Heterozygous
Gene mutation
Sequential Evolution
rRNA
14. A model for the evolution of different froms over a long period of time but with only slight chchanges occring between successive generations
Genetic Drift
Phyletic Gradualism (anagenesis)
Bottleneck Effect
Test Cross
15. Physical characteristics of an organism based on its genotype. e.g. Plant that has a genotype of TT will have a phenotype of Tall.
GATTACA
deoxyribose and phosphate
Phenotype
Hominid
16. Human - like species that existed millions of years ago as witnessed through fossil evidence.
Extinction
Hominid
Analogous Features
deoxyribose and phosphate
17. Mating of an individual of unknown genotype but dominant phenotype w/ a homozygous recessive individual
Directional Selection
analogous (Evolution Evidence)
Comparative anatomy
Testcross
18. Any agent that can cause a change in DNA
NIche Isolation
Gamete Isolation
Mutagen
Duplication
19. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
molecular evidence
Homologous Structures
Evolution
Cytosine
20. The final product of transcription is...
Chromosome mutation
Migration
mRNA
Organic Evolution
21. Building block of a protein
Speciation
Artificial selection
Paleozoic era
amino acid
22. Speciation preceded by a period of geographical isolation
RNA polymerase
molecular evidence
Allopatric Speciation
mRNA
23. Is a base found in DNA and RNA. This base pairs with Cytosine in DNA
clinC
Speciation
Guanine
genes
24. All the factors in an organism's surroundings that can potentially affect it
nucleotides
Adaptive Radiation
Directional Selection
Environment
25. Is found in DNA
Mendel's traits are now called _____ found on DNA
thymine
Pre -zygotic Mechanisms
Immigration
26. 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
Isolating Mechanism
Test Cross
Species
Somatic
27. Is a base found in DNA and RNA. Cytosine pairs with Guanine in DNA
Cytosine
Mass Extinction
Phyletic Gradualism (anagenesis)
Extinction
28. During transcription an RNA molecule is formed
Mutation
Nucleotide
Molecular biology
that is complementary to a single strand of DNA
29. The type of environment in which an organism or group normally lives or occurs
Relative dating
Reproductive Isolation
Insertion
Habitat
30. A process where the organisms that have traits that aid in its survival (adaptive traits) will reproduce to pass that trait to futher generations thus increasing the frequency of that trait in the population. Vice versa traits that reduce the chance
Industrial Melanism
Speciation
RNA polymerase
Natural Selection
31. Ribosomal RNA; type of RNA that makes up part of the ribosome
Comparative embryology
rRNA
Phylogeny
mRNA
32. You mate the unknown genotype with an organism showing the recessive trait. If any of the offspring show the recessive trait - the original unknown parent was heterozygous. If no recessive trats show up - the original parent was homozygous.
Niche
Test Cross
stop codon
Microevolution
33. A change in the base sequence of DNA; the ultimate source of new alleles
Recombination
Mutation
Character Displacement
Dihybrid
34. Determined the complete double helical structure of DNA
watson and crick
Isolating Mechanism
Geologic Evolution
Selection pressure
35. How often a form of a gene appears in a gene pool
Monophyletic
Sexual Selection
mRNA
Allele Frequency
36. A group of organisms of the same species occupying a given area.
Population
Test Cross
Hybrid Inviability
Double Helix
37. 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
Natural Selection
Niche
Analogous Structures (analogies)
codon
38. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic
Recombination
Hybrid Breakdown
geologic time scale
Molecular biology
39. Process by which a ribosome uses the code on mRNA to make proteins
Balanced Polymorphism
translation
Polyploidy
Organic Evolution
40. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Precambrian era
Chromatid
Behavioral (ethological) Isolation
rRNA
41. Two alternative forms of a gene e.g Tall vs Short
Gene mutation
Pentadactyl limb
Alleles
RNA polymerase
42. Shows how the embryos of different groups resemble each other at particular stages. Similarities indicate groups may share a common ancestor
Monophyletic
Reproductive Isolation
Comparative embryology
Allopatric Speciation
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
Ecological Barrier
Mitosis
Fitness
Amber
44. Mutation where an extra base is added
Phenotype
Insertion
Hybrid Infertility
Deme
45. Innate trait; shared ancestry
Geologic Evolution
cytoplasm
homologous (Evolution Evidence)
Guanine
46. What does DNA stand for...
transcription
Mold
deoxyribonucleic acid
its negative charge
47. Speciation which does not involve a period of geographical separation
Divergent Evolution
Gamete Isolation
Sympatric Speciation
Organic Evolution
48. Organisms with similar functions - but different underlying structure. Example: bird and insect wing. These structures do NOT show a common ancestral link.
Industrial Melanism
Founder Effect
Comparative Embryology
Analogous structures
49. shape of a DNA molecule formed when two twisted DNA strands are coiled into a springlike structure and held together by hydrogen bonds between the bases.
Geographical Isolation
Monohybrid
watson and crick
Double Helix
50. Group of individuals of the same species that live in the same area
Homozygote
Population
Gene mutation
restriction enzymes - sticky ends