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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. Mating of 2 oism that differ in 2 characters
Comparative embryology
Dihybrid Cross
Allele Frequency
homologous (Evolution Evidence)
2. How many codons are needed to specify three amino acids
Somatic
Genotype
Adaptive Radiation
three
3. Movement of organisms ro of from a population
homologous (Evolution Evidence)
Founder Effect
Genotype
Migration
4. Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
Gametic
Molecular biology
Natural Selection
Allele Frequency
5. 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
Comparative Anatomy
Paleozoic era
Sedimentary Rock
Somatic
6. Messenger RNA; type of RNA that carries instructions from DNA in the nucleus to the ribosome
vestigial (Evolution Evidence)
mRNA
tRNA
Substitution
7. Are noncoding sequences in the gene that are removed from RNA after transcription
Disruptive Selection
Character Displacement
introns
trace fossils
8. Synonym for protein; chain of amino acids
Extinction
Amber
polypeptide
Translocation
9. Mutation where an extra base is added
Insertion
Chargaff
proteins
Meiosis
10. A change in the base sequence of DNA; the ultimate source of new alleles
Genotype
Allele Frequency
Isolating Mechanism
Mutation
11. T or F A cloned organism has the same proteins as another organism
nucleotide
Industrial Melanism
Genotype
False genes
12. Is the genetic makeup of an organism (TT or Tt) ; All the combinations of genes you have for a certain trait.
Natural Selection
Population
Nucleotide
Genotype
13. 2 alleles for a character separate during the formation of gametes - so that each gamete only carriers one allele for each character
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14. Middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs - rise of flowering plants
Haploid/Monoploid
Phylogeny
deoxyribonucleic acid
Mesozoic era
15. 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
RNA polymerase
Ecological (habitat) Isolation
Gametic
3 nucleotides
16. Process in which DNA is duplicated
restriction enzyme
Genome
Genotype
replication
17. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Thymine
Ring Species
Comparative Embryology
Behavioral (ethological) Isolation
18. Three mRNA nucleotides that code for a specific amino acid
Gene Pool
tRNA
codon
Monophyletic
19. A fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found
Cytosine
Gene Flow
rRNA
index fossil
20. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
trace fossils
Coevolution
Absolute dating
Allele Frequency
21. Genes contain instructions for assembling
proteins
Amber
Speciation
transcription
22. Threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next
Selection
Chromosomes
Analogous structures
polypeptide
23. The formation of new species as a result of evolution
Heterozygote
Speciation
Cast
embryological evidence
24. The comparison of the structures of different organisms
Homologous Structures
body fossils
Comparative anatomy
that is complementary to a single strand of DNA
25. Organism is preserved at very low temperatures. Preservation of both hard and soft parts can occur.
Ice
Migration
cytoplasm
Sexual Selection
26. Reciprocal evolution in two species as a result of the selection pressure each imposes upon the other
Incomplete Dominance
Homozygous
Coevolution
Analogous Features
27. Even if the gametes of the two species meet - fertilization does not occur
Coevolution
Environment
stop codon
Gamete Isolation
28. The structure on a tRNA molecule that allows it interact with an mRNA molecule
Heterozygous
anticodon
Homozygous
true
29. DNA that is coiled around proteins
chromatin
Gametic
Incomplete Dominance
Germ
30. 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.
Extinction
Genome
Vestigial organs
Heterozygous
31. Is the evolutionary process whereby a population becomes better suited to its habitat
Adaptation
Gene Flow
geologic time scale
amino acids
32. Separation of species or populations so that they cannot interbreed and produce fertile offspring
Test Cross
tRNA
Reproductive Isolation
Bottleneck Effect
33. 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
Amber
Analogous Structures (analogies)
Genome
Adaptation
34. Features that are superficially similar but have different modes of development
Ecological (habitat) Isolation
Pre -zygotic Mechanisms
Sympatric Speciation
Analogous Features
35. Recognize and cut DNA at specific sequences usually palindromes
restriction enzyme
Macroevolution
its negative charge
Gene Pool
36. Form of reproductive isolation in which tere are differences in species courtship behavior
Behavioral (ethological) Isolation
Chargaff
polypeptide
Semi - conservative replication
37. A small simple structure (as a fertilized egg) from which new tissue can develop into a complete organism. It is also a cell
Germ
Deme
Environment
Clade
38. Proteins are made of...
Post -zygotic Mechanisms
amino acids
Mechanical (morphological) Isolation
Stabilising
39. The specific location of a gene on a chromosome
Dihybrid Cross
Behavioral (ethological) Isolation
Locus
Centromere
40. Is a trait that is more expressed than another trait. Is written in capital letters for Genotype. E.g Tall genotype is TT or Tt where T is the allele for tall trait and t is the trait for small. T will be expressed more.
Test Cross
Recombination
Natural Selection
Dominant
41. In the event of a sperm fertilizing an egg of another species - mechanisms that prevent result being fruitful
Gene flow
Post -zygotic Mechanisms
Speciation
Centromere
42. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
Extinction
amino acids
Convergent Evolution
Substitution
43. The movement of individuals into an area
Recessive
Immigration
rRNA
Centromere
44. Process by which an organism is slowly turned to stone as the body is replaced by minerals.
Ecological (habitat) Isolation
Petrification
codon
Macroevolution
45. process in which homologous chromosomes exchange portions of their chromatids during meiosis.
Extinction
Dominant
Artificial selection
Crossing over
46. 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
Germ
Genotype
The cell uses information from mRNA to produce proteins
DNA
47. 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.
Chromosome mutation
body fossils
Gene Flow
Migration
48. Trait evolves overtime; NO common ancestry
analogous (Evolution Evidence)
Hominid
Alleles
Monohybrid Cross
49. Chromosomes are collections of many
Parallel Evolution
Allele Frequency
genes
transcription
50. Transfer RNA; type of RNA that carries amino acids to the ribosome
Hybrid Breakdown
Allele Frequency
Thymine
tRNA