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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. Proteins are made of...
Common Ancestor
Ice
Cytosine
amino acids
2. Features that are superficially similar but have different modes of development
Analogous Features
deoxyribonucleic acid
Sub - species
body fossils
3. Organ that serves no useful function in an organism
Fossil
Behavioral (ethological) Isolation
Precambrian era
Vestigial organs
4. Cell division in which the nucleus divides into nuclei containing the same number of chromosomes. Mitosis involves growth and repair and occurs in the body cells.
Migration
Vestigial organs
Paleozoic era
Mitosis
5. Building block of a nucleic acid (DNA and RNA)
Population
Gene flow
Behavioral (ethological) Isolation
nucleotide
6. Determined the concept of complementary base pairing
Natural Selection
Chargaff
Bottle neck effect
Evolution
7. Periods of rapid evolution punctuated by periods of little change
its negative charge
Absolute dating
Semi - conservative replication
Punctuated Equilibrium
8. The movement of genes between populations as a result of mating of migration
Gene Flow
Hybrid Breakdown
amino acids
Sympatric Speciation
9. Impression made from a organism in soft material such as sand or mud.
Mold
Hybrid Inviability
vestigial (Evolution Evidence)
Directional Selection
10. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
Deme
Adaptation
body fossils
Adaptive Radiation
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
Speciation
False genes
Comparative embryology
DNA
12. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Homologous Structures
stop codon
Sub - species
codon
13. A small simple structure (as a fertilized egg) from which new tissue can develop into a complete organism. It is also a cell
clinC
Germ
Histone
Chromatid
14. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
Species
Incomplete Dominance
Comparative anatomy
Directional Selection
15. Group of individuals of the same species that live in the same area
Hybrid Infertility
Homologous Structures
Population
Heterozygote
16. A change in the base sequence of a gene
Gene mutation
Ecological Barrier
Heterozygous
Bottleneck Effect
17. 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
cytoplasm
Vestigial structure
Paleozoic era
proteins
18. Selection for the ability to obtain a mate
NIche Isolation
Geographical Isolation
Sexual Selection
Insertion
19. Independent segregation of genes during the formation of gametes
Mutation
nucleotide
Independent assortment
analogous (Evolution Evidence)
20. The movement of individuals into an area
Heterozygous
Phenotype
amino acids
Immigration
21. Is any chromosome that is not a sex chromosome.
Autosomes
Homologous Structures
Mendel's traits are now called _____ found on DNA
Locus
22. The backbone of DNA consist of...
Mutation
Mendel's traits are now called _____ found on DNA
deoxyribose and phosphate
Dihybrid Cross
23. Two alternative forms of a gene e.g Tall vs Short
Recessive
Stabilising
Sedimentary Rock
Alleles
24. 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.
Mold
transcription
Common Ancestor
Double Helix
25. Three mRNA nucleotides that code for a specific amino acid
Mendel's traits are now called _____ found on DNA
Thymine
Phenotype
codon
26. It means chromosomes are paired. One of each chromosome in a pair originates from the father and one from the mother. They affect the same trait - but don't necessarily cause the same expression of the trait.
Biogeography
its negative charge
Homologous pair
Common Ancestor
27. Which type of Rna functions as a blue print of the genetic code
mRNA
Natural Selection
Translocation
rRNA
28. A change in the base sequence of DNA; the ultimate source of new alleles
Mutation
Allele
Fossils
Phenotype
29. Natural selection that causes the frequency of a particular allele to move in one direction
Directional Selection
introns
nucleus
Character Displacement
30. The adaptive increase in pigmentation as a result of human - induced pollutants
Deletion
Phenotype
Pre -zygotic Mechanisms
Industrial Melanism
31. Used x ray cyrstallography to create an image of DNA
Rosalind Franklin
Natural Selection
Endemic
Autosomes
32. Visual expression of a trait
Phenotype
Test Cross
Founder effect
Gametic
33. DNA that is coiled around proteins
Fossils
genes
thymine
chromatin
34. The specific location of a gene on a chromosome
Balanced Polymorphism
The cell uses information from mRNA to produce proteins
Medel worked with _____
Locus
35. T or F A cloned organism has the same proteins as another organism
Common Ancestor
Hybrid
Hershey and Chase
False genes
36. Translation occurs in the...
cytoplasm
Fossils
Mesozoic era
Comparative Embryology
37. Is the genetic makeup of an organism (TT or Tt) ; All the combinations of genes you have for a certain trait.
Genotype
The cell uses information from mRNA to produce proteins
Autosomes
embryological evidence
38. Pea plants
NIche Isolation
deoxyribose and phosphate
Medel worked with _____
False genes
39. How often a form of a gene appears in a gene pool
Allele Frequency
Adenine
Recombination
Phylogeny
40. The gradual changes in gene frequencies in a population due to random events
Genetic Drift
Chromatid
nucleus
Dihybrid Cross
41. Organism is preserved at very low temperatures. Preservation of both hard and soft parts can occur.
Gene pool
Mate Selection
Ice
Bottle neck effect
42. 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.
Hybrid Infertility
Crossing over
Vestigial structure
Biogeography
43. Middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs - rise of flowering plants
Mesozoic era
analogous (Evolution Evidence)
Behavioral (ethological) Isolation
hydrogen bonds
44. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Centromere
Founder Effect
Ring Species
Vestigial organs
45. Of a cell or organism having two sets of homologous chromosomes or twice the haploid number
Population
Polyploidy
Diploid
stop codon
46. 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.
Variation
Haploid/Monoploid
NIche Isolation
RNA polymerase
47. Messenger RNA; type of RNA that carries instructions from DNA in the nucleus to the ribosome
mRNA
Codon
deoxyribonucleic acid
Biogeography
48. Gene
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49. The final product of transcription is...
Mutation
its negative charge
Analogous structures
mRNA
50. Separation of species or populations so that they cannot interbreed and produce fertile offspring
Stabilising selection
Gametic
anticodon
Reproductive Isolation