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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. Gradual evolution within a lineage
transcription
Monohybrid
Sequential Evolution
Nucleotide
2. A pairing where the parent plants differ in only one character.
mRNA
Codon
amino acids
Monohybrid Cross
3. The specific location of a gene on a chromosome
Environment
Rosalind Franklin
hydrogen bonds
Locus
4. 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.
Vestigial organs
Homozygous
Environment
Meiosis
5. Embryos of similar organisms have very similar early development indicating similar DNA at work
Crossing over
Locus
Comparative Embryology
DNA fingerprint
6. Any preserved remains of an organism from the past. Usually found in sedimentary rock.
Genetic Equilibrium
Chromatid
Industrial Melanism
Fossils
7. Process by which one species gives rise to two or more species
introns
nucleotides
Monohybrid Cross
Speciation
8. 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
Cytosine
Genome
DNA
Amber
9. Gene
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10. 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
Paleozoic era
Character Displacement
Selection
Gene flow
11. 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
Selection pressure
Analogous Structures (analogies)
embryological evidence
Habitat
12. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
homologous (Evolution Evidence)
Adaptive Radiation
nucleotides
stop codon
13. Form of reproductive isolation in which two populations reproduce at different times
Temporal Isolation
Gene flow
clinC
trace fossils
14. Middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs - rise of flowering plants
Mechanical (morphological) Isolation
Ecological Barrier
Centromere
Mesozoic era
15. 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.
Monohybrid Cross
Recessive
Mass Extinction
homologous (Evolution Evidence)
16. Pea plants
Nucleotide
Post -zygotic Mechanisms
Medel worked with _____
Homologous Structures
17. Periods of rapid evolution punctuated by periods of little change
3 nucleotides
restriction enzymes - sticky ends
Punctuated Equilibrium
Cenozoic era
18. The independant evolution of similar traits - starting from a similar ancestral condition
Centromere
Germ
Character Displacement
Parallel Evolution
19. Mating of 2 oism that differ in 2 characters
Mitosis
Mesozoic era
Dihybrid Cross
Natural Selection
20. Cross where you cross unknown genotype with a recessive
Histone
nucleus
Test Cross
Gene Pool
21. Evolution of living things - based on evidence from the past and present.
Crossing over
watson and crick
Variation
Organic Evolution
22. Method of replication that implies that each new strand of DNA is half original and half new
Diploid
Semi - conservative replication
Migration
Population
23. 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.
cytosine in DNA is about equal to the percentage of guanine molecules
Chromosome mutation
nucleotides
Cenozoic era
24. A trait that masks the expression of another trait
Chiasma
Incomplete Dominance
Dominant
Test Cross
25. A mutation in which one nucleotide is replaced by another nucleotide
Substitution
Geologic Evolution
Deletion
Gametic
26. 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.
Mitosis
Nucleotide
Extinction
Heterozygous
27. Features that are superficially similar but have different modes of development
Gene Pool
Dihybrid Cross
Analogous Features
Evolution
28. DNA is made of...
Environment
Relative dating
nucleotides
Deme
29. An evolutionary 'branch' and its daughter 'twigs'
Clade
Fossil
Stasis
thymine
30. A change in the base sequence of DNA; the ultimate source of new alleles
Genome
restriction enzyme
Mutation
Comparative embryology
31. Actual remains of an organism such as bones - teeth - shells - etc.
Heritable variation
body fossils
cytosine in DNA is about equal to the percentage of guanine molecules
Geologic Evolution
32. A genetic crosses that involve one trait. e.g TT plant crossed with tt plant has offspring who are heterozygous Tt.
Genetic Equilibrium
Monohybrid
Population
Character Displacement
33. Movement of organisms ro of from a population
False RNA
Population
Migration
Coevolution
34. A DNA double helix is held together in the center by between nitrogenous bases
Hershey and Chase
genes
hydrogen bonds
watson and crick
35. Consists of all genes - including all the different alleles - that are present in a population
Gene pool
rRNA
index fossil
mRNA
36. T or F A cloned organism has the same proteins as another organism
False genes
Comparative Embryology
Incomplete Dominance
watson and crick
37. Natural disaster eliminates most of the population - members left contribute the alleles for the new population.
Bottle neck effect
Polyploidy
chromatin
cytoplasm
38. Natural selection that causes the frequency of a particular allele to move in one direction
Alleles
False RNA
Directional Selection
Organic Evolution
39. 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
gel electrophoresis
Endemic
Species
analogous (Evolution Evidence)
40. Is the evolutionary process whereby a population becomes better suited to its habitat
Extinction
Adaptation
False RNA
stop codon
41. A combining of genes or characters different from what they were in the parents
Comparative anatomy
Ice
Nucleotide
Recombination
42. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
Mate Selection
The cell uses information from mRNA to produce proteins
Igneous and metamorphic rock
Divergent Evolution
43. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Comparative Anatomy
Disruptive Selection
Diploid
Ring Species
44. Reciprocal evolution in two species as a result of the selection pressure each imposes upon the other
Homologous pair
Geologic Evolution
Coevolution
Fossil
45. A process that results in an allele having a different probability of remaining in the gene pool compared with that of another allele
Selection
Heterozygous
transcription
Endemic
46. Determined the complete double helical structure of DNA
Stasis
watson and crick
Disruptive Selection
Heritable variation
47. Nucleotides that control which amino acids are added during protein synthesis
Heritable variation
Codon
Convergent Evolution
Speciation
48. A codon is made of...
Selection pressure
Codon
Analogous Features
3 nucleotides
49. The adaptive increase in pigmentation as a result of human - induced pollutants
trace fossils
Geologic Evolution
Hybrid
Industrial Melanism
50. Era of recent life that began about 66 million years ago and continues today; includes the first appearance Hominids
Cenozoic era
Germ
Adaptation
Bottleneck Effect