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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. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
Divergent Evolution
Alleles
transcription
Microevolution
2. Chromosomes are collections of many
Post -zygotic Mechanisms
Comparative embryology
genes
Sex Chromosomes
3. The specific location of a gene on a chromosome
Recombination
Locus
Chromosomes
Population
4. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Ring Species
Adaptation
Species
stop codon
5. Transfer RNA; type of RNA that carries amino acids to the ribosome
Homozygous
Analogous Features
tRNA
true
6. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
Codon
restriction enzyme
Chromosomes
Nucleotide
7. Middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs - rise of flowering plants
proteins
Polyploidy
Mesozoic era
Fossil
8. Nucleotides that control which amino acids are added during protein synthesis
ribose - phosphate - and a base
Codon
Genetic Equilibrium
GATTACA
9. A DNA double helix is held together in the center by between nitrogenous bases
deoxyribose and phosphate
Mutation
molecular evidence
hydrogen bonds
10. Evolution of living things - based on evidence from the past and present.
Species
Autosomes
Organic Evolution
Allele
11. The signal on a mRNA molecule that designates the end of the coding sequence is called the...
stop codon
Chargaff
Autosomes
Isolating Mechanism
12. The formation of new species as a result of evolution
Mechanical (morphological) Isolation
Adaptation
clinC
Speciation
13. All the factors in an organism's surroundings that can potentially affect it
gel electrophoresis
Environment
Speciation
Cenozoic era
14. The final product of transcription is...
Chromosomes
Punnett Square
mRNA
Codon
15. What does DNA stand for...
deoxyribonucleic acid
Genetic Equilibrium
Alleles
Genotype
16. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
Adaptive Radiation
Codon
Endemic
deoxyribonucleic acid
17. Organ no longer serves a function
vestigial (Evolution Evidence)
Allele Frequency
Evolution
homologous (Evolution Evidence)
18. Is found in DNA
thymine
index fossil
watson and crick
Ecological Barrier
19. Uses metamorphic or igneous rock - calculates the age of an object by assessing the amount of radioactive element still present in the organism. Radioactive elements are slowly lost over time because of decay.
Comparative anatomy
nucleotides
polypeptide
Absolute dating
20. Building block of a nucleic acid (DNA and RNA)
Geologic Evolution
analogous (Evolution Evidence)
nucleotide
mRNA
21. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
Biogeography
Evolution
Molecular biology
Clade
22. 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
Mate Selection
Geologic Evolution
Variation
23. Human - like species that existed millions of years ago as witnessed through fossil evidence.
Evolution
Pre -zygotic Mechanisms
Temporal Isolation
Hominid
24. Movement of alleles into or out of a population due to the migration of individuals to or from the population
that is complementary to a single strand of DNA
Chargaff
Gene Pool
Gene flow
25. Building block of a protein
clinC
Ice
Homozygous
amino acid
26. Chromosomes that determine the sex of an individual. These are X for female and Y for male. The female egg is an X while the male sperm can be X or Y
Stabilising selection
Comparative Anatomy
Sex Chromosomes
Founder Effect
27. 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
Polyploidy
Fitness
DNA
Genome
28. 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.
Environment
Behavioral (ethological) Isolation
Vestigial structure
Homologous pair
29. Determined the concept of complementary base pairing
Selection pressure
Allele
Homologous Structures
Chargaff
30. Change to a chromosome in which part of the chromosome is repeated
Duplication
thymine
deoxyribose and phosphate
Evo Devo
31. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Molecular biology
Geographical Isolation
transcription
Relative dating
32. Is a base found in DNA and RNA. In DNA its partner is Thymine. In RNA its partner is Uracil
Gene Flow
Adenine
Ring Species
Guanine
33. The banding pattern of a persons DNA after being cut and run on gel is called
Precambrian era
Cenozoic era
Analogous structures
DNA fingerprint
34. Evolution resulting from small specific genetic changes that can lead to a new subspecies
Microevolution
Niche
Thymine
Sedimentary Rock
35. Individual that is heterozygous for two traits; shows the phenotype governed by the dominant alleles but carries the recessive alleles
Dihybrid
Genetic Equilibrium
Genetic Drift
transcription
36. Is a sequence of DNA that codes for a protein and thus determines a trait. This is because the sequence of bases code for certain proteins.
Gene
Immigration
Homologous structures
Gametic
37. When competition causes two closely related species to become more different in regions where their ranges overlap
anticodon
Habitat
Speciation
Character Displacement
38. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
Macroevolution
embryological evidence
Molecular biology
Mendel's Principle of Segregation
39. Of a cell or organism having two sets of homologous chromosomes or twice the haploid number
Monohybrid Cross
Recessive
Ecological (habitat) Isolation
Diploid
40. 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
Recombination
Chromosomes
clinC
index fossil
41. The complete genetic material contained in an individual
Independent assortment
deoxyribonucleic acid
Guanine
Genome
42. These prevent fertilization between species e.g. diff breeding season - mating behaviour
Comparative Embryology
Sub - species
Gene pool
Pre -zygotic Mechanisms
43. Process by which an organism is slowly turned to stone as the body is replaced by minerals.
Variation
nucleotide
Evolution
Petrification
44. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
Fitness
restriction enzyme
Phyletic Gradualism (anagenesis)
tRNA
45. Ribosomes are made of...
rRNA
Mutagen
Cenozoic era
Double Helix
46. What happens during the process of translation
The cell uses information from mRNA to produce proteins
Cast
Stabilising
Convergent Evolution
47. How often a particular gene occurs in the population
cytosine in DNA is about equal to the percentage of guanine molecules
Gene frequency
body fossils
tRNA
48. The individuals choice of which mate they will choose. The choice is dependant on what traits the individual finds attractive. e.g some people will want their mates to be smart or pretty.
clinC
Mate Selection
Amber
Duplication
49. The environmental factors that favour certain phenotypes
Selection pressure
Species
transcription
cytoplasm
50. A change or error in the DNA sequence
Character Displacement
mutation
Stabilising selection
cytosine in DNA is about equal to the percentage of guanine molecules