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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
Adaptive Radiation
cytosine in DNA is about equal to the percentage of guanine molecules
codon
2. Cross where you cross unknown genotype with a recessive
Genetic Equilibrium
Test Cross
mutation
nucleotide
3. A geographic gradient in the extent to which a character is developed in a species
clinC
The cell uses information from mRNA to produce proteins
Vestigial structure
Mitosis
4. Selection against one end of a range of variation - resulting in a progressive change in allele frequency
polypeptide
Genetic Drift
Directional Selection
Temporal Isolation
5. Mutation where an extra base is added
Insertion
Homozygous
Analogous Features
embryological evidence
6. Condition in which an organism has extra sets of chromosomes
Hybrid Infertility
Polyploidy
body fossils
Fossil
7. Impression made from a organism in soft material such as sand or mud.
analogous (Evolution Evidence)
Mold
Heterozygous
Chiasma
8. Is a base found in DNA and RNA. This base pairs with Cytosine in DNA
proteins
Guanine
Stabilising
introns
9. You mate the unknown genotype with an organism showing the recessive trait. If any of the offspring show the recessive trait - the original unknown parent was heterozygous. If no recessive trats show up - the original parent was homozygous.
Monohybrid Cross
Test Cross
Analogous Structures (analogies)
DNA
10. Form of reproductive isolation in which structural differences in the anatomy of reproductive organs prevent sperm transfer between individuals of different species
Thymine
Temporal Isolation
geologic time scale
Mechanical (morphological) Isolation
11. A change in the base sequence of DNA; the ultimate source of new alleles
Geographical Isolation
Mutation
replication
Adaptive Radiation
12. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
GATTACA
Mate Selection
Chiasma
Monophyletic
13. A distinct population of a species that varies from other populations of the same species.
Sub - species
Mendel's traits are now called _____ found on DNA
Fossil
Gene
14. The comparison of the structures of different organisms
Comparative anatomy
Test Cross
Comparative embryology
Clade
15. 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.
Hershey and Chase
Homozygous
Mate Selection
Analogous structures
16. Form of reproductive isolation in which tere are differences in species courtship behavior
Vestigial structure
Behavioral (ethological) Isolation
Microevolution
Adenine
17. Is the evolutionary process whereby a population becomes better suited to its habitat
Adaptation
Homozygous
mRNA
Substitution
18. In the event of a sperm fertilizing an egg of another species - mechanisms that prevent result being fruitful
Mutagen
Chromosomes
body fossils
Post -zygotic Mechanisms
19. A process where the organisms that have traits that aid in its survival (adaptive traits) will reproduce to pass that trait to futher generations thus increasing the frequency of that trait in the population. Vice versa traits that reduce the chance
analogous (Evolution Evidence)
amino acids
Natural Selection
Hybrid Breakdown
20. 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.
Translocation
Mitosis
Chargaff
transcription
21. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
Histone
Phyletic Gradualism (anagenesis)
Insertion
Heterozygous
22. Inherited feature that tends to prevent species from interbreeding with other species
Geologic Evolution
Niche
RNA polymerase
Isolating Mechanism
23. Selection for the ability to obtain a mate
RNA polymerase
mRNA
Sexual Selection
Diploid
24. Transcrition occurs in the...
Cast
nucleus
Duplication
mRNA
25. Innate trait; shared ancestry
homologous (Evolution Evidence)
Founder Effect
Sequential Evolution
anticodon
26. A DNA double helix is held together in the center by between nitrogenous bases
Gametic
Pre -zygotic Mechanisms
hydrogen bonds
Incomplete Dominance
27. Situation in which allele frequencies remain constant
Duplication
Mold
transcription
Genetic Equilibrium
28. An equilibrium in the occurence of two or more different froms within the same population usually caused by different allele combiinations of a gene
Sub - species
cytosine in DNA is about equal to the percentage of guanine molecules
Homozygote
Balanced Polymorphism
29. How often a form of a gene appears in a gene pool
mutation
Founder Effect
Allele Frequency
Bottle neck effect
30. Change to a chromosome in which a fragment of one chromosome attaches to a nonhomologous chromosome
3 nucleotides
Translocation
rRNA
genes
31. The preserved remains or traces of an organism that lived in the past
Fossil
watson and crick
Founder effect
Monophyletic
32. 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.
Mutation
Population
Recessive
Common Ancestor
33. Speciation preceded by a period of geographical isolation
Speciation
Vestigial structure
Allopatric Speciation
Founder Effect
34. Organism is preserved at very low temperatures. Preservation of both hard and soft parts can occur.
transcription
hydrogen bonds
Germ
Ice
35. Natural selection that causes the frequency of a particular allele to move in one direction
Mitosis
nucleotide
Codon
Directional Selection
36. A copy of a gene is made during a process called this
transcription
Independent assortment
Dihybrid
Phyletic Gradualism (anagenesis)
37. The region of the chromosome that holds the two sister chromatids together during mitosis
DNA fingerprint
Speciation
Centromere
Phenotype
38. Embryos of similar organisms have very similar early development indicating similar DNA at work
Sexual Selection
proteins
Comparative Embryology
Pre -zygotic Mechanisms
39. What does DNA stand for...
deoxyribonucleic acid
Natural Selection
Meiosis
restriction enzymes - sticky ends
40. Process by which an organism is slowly turned to stone as the body is replaced by minerals.
Homozygous
Petrification
Gene mutation
molecular evidence
41. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
DNA
rRNA
Molecular biology
Sedimentary Rock
42. During transcription an RNA molecule is formed
that is complementary to a single strand of DNA
body fossils
Dihybrid
Pentadactyl limb
43. The final product of transcription is...
amino acids
Evo Devo
Character Displacement
mRNA
44. Features that are superficially similar but have different modes of development
Semi - conservative replication
Vestigial structure
Analogous Features
Cenozoic era
45. A taxon originating from and including a single common ancestor
Post -zygotic Mechanisms
Monophyletic
Temporal Isolation
Crossing over
46. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Deme
rRNA
Punnett Square
Amber
47. Evolution resulting from small specific genetic changes that can lead to a new subspecies
Translocation
gel electrophoresis
Microevolution
proteins
48. Type of sympatric speciation that occurs when a new species is formed because of a change in microhabitats
Genotype
NIche Isolation
Artificial selection
Genotype
49. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
gel electrophoresis
amino acid
Analogous structures
restriction enzymes - sticky ends
50. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Extinction
Analogous structures
Incomplete Dominance
Homologous Structures