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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. 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 (Evolution Evidence)
Analogous Structures (analogies)
Cenozoic era
polypeptide
2. 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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3. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Homologous Structures
Fossil
False genes
Gene Pool
4. Movement of organisms ro of from a population
Migration
introns
Mesozoic era
Gametic
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
Selection pressure
Substitution
index fossil
Paleozoic era
6. T or F If a nucleic acid contain uracil it is DNA
False RNA
Species
Chromosomes
Genetic Drift
7. Building block of a nucleic acid (DNA and RNA)
Monophyletic
Bottle neck effect
nucleotide
Comparative embryology
8. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
index fossil
Chromatid
restriction enzymes - sticky ends
Fitness
9. Mating of 2 oism that differ in 2 characters
Dihybrid Cross
Meiosis
The cell uses information from mRNA to produce proteins
Amber
10. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Convergent Evolution
Ring Species
Biogeography
Monohybrid
11. The type of environment in which an organism or group normally lives or occurs
Habitat
mRNA
Allele Frequency
Relative dating
12. What does DNA stand for...
Microevolution
deoxyribonucleic acid
Directional Selection
Recombination
13. Speciation preceded by a period of geographical isolation
RNA polymerase
Hershey and Chase
Allopatric Speciation
clinC
14. The gradual changes in gene frequencies in a population due to random events
Chromosomes
Genetic Drift
transcription
Meiosis
15. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
Independent assortment
Divergent Evolution
Microevolution
Test Cross
16. Another term for pure breeding
Genetic Equilibrium
Precambrian era
Homozygous
Clade
17. Periods of little adaptive change
rRNA
nucleus
Stasis
Heterozygote
18. How often a particular gene occurs in the population
Adaptive Radiation
introns
Heterozygote
Gene frequency
19. Is a base found in DNA and RNA. Cytosine pairs with Guanine in DNA
Cytosine
Phenotype
geologic time scale
Environment
20. Ribosomes are made of...
Bottleneck Effect
rRNA
molecular evidence
Genetic Drift
21. How often a form of a gene appears in a gene pool
proteins
Allele Frequency
Biogeography
Mutation
22. The environmental factors that favour certain phenotypes
Selection pressure
Substitution
Ring Species
Allele Frequency
23. A pairing where the parent plants differ in only one character.
Chromosome mutation
Sympatric Speciation
Monohybrid Cross
Biogeography
24. A copy of a gene is made during a process called this
Double Helix
transcription
Independent assortment
Environment
25. The preserved remains or traces of an organism that lived in the past
Genetic Equilibrium
Fossil
Reproductive Isolation
Bottleneck Effect
26. Form of reproductive isolation in which two populations reproduce at different times
translation
Crossing over
Temporal Isolation
Dihybrid
27. The sum total of an organism's requirements; its way of life
Test Cross
Genotype
Monohybrid Cross
Niche
28. Genes contain instructions for assembling
Phyletic Gradualism (anagenesis)
3 nucleotides
proteins
cytoplasm
29. Separates DNA by size
Biogeography
Gene Pool
gel electrophoresis
Monohybrid Cross
30. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
tRNA
Heritable variation
Pentadactyl limb
Cenozoic era
31. When zygote does not complete development or is physically weaker than normal
Ice
Population
Hybrid Inviability
nucleus
32. A limb with five digits (fingers)
Pentadactyl limb
Character Displacement
introns
Homozygote
33. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
Mutation
Punctuated Equilibrium
Natural Selection
Histone
34. Human - like species that existed millions of years ago as witnessed through fossil evidence.
Genome
Gene frequency
analogous (Evolution Evidence)
Hominid
35. During transcription an RNA molecule is formed
Phylogeny
Mold
that is complementary to a single strand of DNA
Hybrid
36. Any agent that can cause a change in DNA
Industrial Melanism
Mutagen
nucleotide
Comparative anatomy
37. Three mRNA nucleotides that code for a specific amino acid
codon
Homologous structures
Immigration
Bottleneck Effect
38. Form of reproductive isolation in which structural differences in the anatomy of reproductive organs prevent sperm transfer between individuals of different species
Mechanical (morphological) Isolation
Adaptive Radiation
Mendel's traits are now called _____ found on DNA
Fitness
39. Determined the concept of complementary base pairing
Monohybrid Cross
RNA polymerase
Chargaff
Adaptation
40. Selection acting against the middle of a range of variation
thymine
ribose - phosphate - and a base
Disruptive Selection
restriction enzyme
41. Shows how the embryos of different groups resemble each other at particular stages. Similarities indicate groups may share a common ancestor
Paleozoic era
proteins
Semi - conservative replication
Comparative embryology
42. The number of times an allele appears in a population
Sexual Selection
Allele Frequency
Monohybrid
embryological evidence
43. Embryos of similar organisms have very similar early development indicating similar DNA at work
Reproductive Isolation
Comparative Embryology
tRNA
Monophyletic
44. The study of the past and present distribution of species.
Biogeography
deoxyribose and phosphate
Locus
Population
45. Organisms with similar functions - but different underlying structure. Example: bird and insect wing. These structures do NOT show a common ancestral link.
Analogous structures
mutation
Species
Double Helix
46. Mating of an individual of unknown genotype but dominant phenotype w/ a homozygous recessive individual
RNA polymerase
Haploid/Monoploid
Pre -zygotic Mechanisms
Testcross
47. Change in a DNA sequence that affects genetic information
Founder Effect
Cytosine
Mutation
Rosalind Franklin
48. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
deoxyribonucleic acid
Chiasma
Genetic Drift
Clade
49. Inherited feature that tends to prevent species from interbreeding with other species
False RNA
Haploid/Monoploid
Isolating Mechanism
Hybrid
50. Two alternative forms of a gene e.g Tall vs Short
Alleles
Gametic
Heterozygote
Test Cross