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. A model for the evolution of different froms over a long period of time but with only slight chchanges occring between successive generations
Adaptation
If you lose one then you will still have one to back you up.
Phyletic Gradualism (anagenesis)
Alleles
2. Similar DNA sequences or protein structures (such as hemoglobin) may link different species to a similar ancestor.
mutation
Dihybrid
analogous (Evolution Evidence)
molecular evidence
3. Cross where you cross unknown genotype with a recessive
Testcross
Allele
mRNA
Test Cross
4. An evolutionary 'branch' and its daughter 'twigs'
Recessive
Chromatid
Sedimentary Rock
Clade
5. Ribosomal RNA; type of RNA that makes up part of the ribosome
deoxyribose and phosphate
If you lose one then you will still have one to back you up.
rRNA
Germ
6. Natural disaster eliminates most of the population - members left contribute the alleles for the new population.
False RNA
Bottle neck effect
Post -zygotic Mechanisms
Crossing over
7. Method of replication that implies that each new strand of DNA is half original and half new
Phenotype
Analogous structures
Semi - conservative replication
Histone
8. What is one benefit for having two strands of DNA?
If you lose one then you will still have one to back you up.
NIche Isolation
nucleus
Niche
9. A change or error in the DNA sequence
Species
mutation
DNA fingerprint
Fossils
10. Term used to refer to an organism that has two different alleles for the same trait. e.g Tt is the heterozygous genotype for Tall.
Heterozygous
Gene mutation
nucleotides
Molecular biology
11. Similar embryological structures in different species - such as gill slits - may demonstrate that these species share a common ancestor.
Heterozygous
embryological evidence
true
mutation
12. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
Chiasma
Gene flow
Divergent Evolution
Fitness
13. Is a base found in DNA and RNA. This base pairs with Cytosine in DNA
tRNA
watson and crick
Guanine
Sexual Selection
14. 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
mRNA
Speciation
3 nucleotides
15. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
Punctuated Equilibrium
Population
Nucleotide
Selection
16. When competition causes two closely related species to become more different in regions where their ranges overlap
Character Displacement
Coevolution
Allele Frequency
Crossing over
17. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Recessive
Allele Frequency
Chargaff
Homologous Structures
18. The gradual changes in gene frequencies in a population due to random events
Monohybrid Cross
Genetic Drift
Niche
Homozygous
19. 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.
Heterozygote
Homozygous
Directional Selection
its negative charge
20. Large - scale evolutionary changes that take place over long periods of time
Comparative Anatomy
Genome
Mutation
Macroevolution
21. 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.
Gametic
Diploid
Vestigial structure
Comparative Anatomy
22. Mating of an individual of unknown genotype but dominant phenotype w/ a homozygous recessive individual
Adaptation
Testcross
Immigration
polypeptide
23. Genes contain instructions for assembling
Polyploidy
Monophyletic
Centromere
proteins
24. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Amber
Hybrid Inviability
Founder effect
Microevolution
25. Three dimensional shape of organism made from a mold. May be created with plaster or over time with minerals.
NIche Isolation
Cast
Mechanical (morphological) Isolation
Monophyletic
26. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
Post -zygotic Mechanisms
Stabilising selection
Geologic Evolution
Evolution
27. The banding pattern of a persons DNA after being cut and run on gel is called
embryological evidence
Autosomes
DNA fingerprint
Habitat
28. Independent segregation of genes during the formation of gametes
Independent assortment
amino acid
Phyletic Gradualism (anagenesis)
Duplication
29. Types of rocks formed after exposure to very high heat. Because of the high temperatures - fossils are not able to be recovered from these types of rocks. Absolute or radioactive dating is possible - however.
Bottle neck effect
Chiasma
nucleotides
Igneous and metamorphic rock
30. An organism that has characteristics resulting from chromosomal alteration. This is a result of crossing over of the chromosomes during Meiosis - mutations and random segregation.
molecular evidence
Mechanical (morphological) Isolation
Variation
Polyploidy
31. Organisms with similar functions - but different underlying structure. Example: bird and insect wing. These structures do NOT show a common ancestral link.
deoxyribose and phosphate
Analogous structures
mutation
Gamete Isolation
32. Gene
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
33. 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.
Homozygote
Fossil
Germ
Recessive
34. Middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs - rise of flowering plants
embryological evidence
mRNA
Mesozoic era
False genes
35. Describes the existence of a prezygotic reproductive barrier between two species as a result of them occupying or breeding in different habitats within the same general geographical area
Ecological (habitat) Isolation
Homologous Structures
DNA
gel electrophoresis
36. Trait where heterozygous is a blending of two alleles
Genotype
Homologous Structures
Guanine
rRNA
37. Individual that is heterozygous for two traits; shows the phenotype governed by the dominant alleles but carries the recessive alleles
Dihybrid
Founder effect
geologic time scale
Analogous Structures (analogies)
38. All the factors in an organism's surroundings that can potentially affect it
RNA polymerase
Vestigial structure
Habitat
Environment
39. Change in a DNA sequence that affects genetic information
amino acids
Pentadactyl limb
Mutation
index fossil
40. Organism is preserved at very low temperatures. Preservation of both hard and soft parts can occur.
Gene Pool
Allele Frequency
Ice
Semi - conservative replication
41. The complete genetic material contained in an individual
Genetic Equilibrium
Phyletic Gradualism (anagenesis)
Genome
replication
42. Transfer RNA; type of RNA that carries amino acids to the ribosome
tRNA
Dominant
Gene flow
Test Cross
43. Organ that serves no useful function in an organism
three
GATTACA
nucleotides
Vestigial organs
44. Change to a chromosome in which part of the chromosome is repeated
Duplication
Analogous Features
Microevolution
Somatic
45. 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
Analogous Structures (analogies)
Phylogeny
Adenine
Codon
46. Evolution resulting from small specific genetic changes that can lead to a new subspecies
Cast
Sympatric Speciation
Microevolution
Dominant
47. The preserved remains or traces of an organism that lived in the past
Extinction
Founder effect
Fossil
proteins
48. Translation occurs in the...
DNA fingerprint
cytoplasm
Allele Frequency
translation
49. The formation of new species as a result of evolution
Adenine
Niche
Speciation
mRNA
50. The independant evolution of similar traits - starting from a similar ancestral condition
embryological evidence
Dominant
Parallel Evolution
cytoplasm