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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. Consists of all genes - including all the different alleles - that are present in a population
DNA fingerprint
Gene pool
Isolating Mechanism
Deme
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. Another term for pure breeding
Gene Flow
Genotype
Homozygous
Stasis
4. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
Incomplete Dominance
RNA polymerase
Sequential Evolution
Genetic Drift
5. Visual expression of a trait
Phenotype
Evo Devo
its negative charge
Ecological (habitat) Isolation
6. Layers of compressed sedimentary rock demonstrate the order or sequence at which events occurred. Cannot delineate the exact point of time - but is able to distinguish the order of events.
Relative dating
NIche Isolation
Medel worked with _____
Bottleneck Effect
7. Identical alleles for a gene
Sympatric Speciation
Mate Selection
Homozygote
restriction enzyme
8. The evolutionary history/geneology of a group of organisms (a tree thingy)
Phylogeny
Vestigial organs
Relative dating
Rosalind Franklin
9. Different alleles for a gene
homologous (Evolution Evidence)
Heterozygote
Fossils
Autosomes
10. Is active during transcription
Monohybrid Cross
watson and crick
RNA polymerase
Gene frequency
11. What does DNA stand for...
Independent assortment
deoxyribonucleic acid
Sympatric Speciation
Species
12. Predicts the possible outcome of a genetic cross.
Punnett Square
Gene mutation
Testcross
Geographical Isolation
13. Name for oism with one dominant and one recessive allele
anticodon
Heterozygous
mRNA
Guanine
14. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration
NIche Isolation
Igneous and metamorphic rock
Gene Pool
Genotype
15. The formation of new species as a result of evolution
Migration
Speciation
False genes
Test Cross
16. Ribosomal RNA; type of RNA that makes up part of the ribosome
Environment
rRNA
Directional Selection
Genotype
17. A combining of genes or characters different from what they were in the parents
Comparative embryology
Sequential Evolution
Immigration
Recombination
18. The region of the chromosome that holds the two sister chromatids together during mitosis
Homozygous
NIche Isolation
Semi - conservative replication
Centromere
19. 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.
Double Helix
Temporal Isolation
Immigration
Organic Evolution
20. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
Histone
Genetic Equilibrium
Semi - conservative replication
Allele
21. 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.
Sexual Selection
proteins
Allele
Test Cross
22. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Punnett Square
Heritable variation
mRNA
Homologous Structures
23. DNA is made of...
Comparative anatomy
Medel worked with _____
Punnett Square
nucleotides
24. The gradual changes in gene frequencies in a population due to random events
The cell uses information from mRNA to produce proteins
Bottleneck Effect
Genetic Drift
Phylogeny
25. A distinct population of a species that varies from other populations of the same species.
watson and crick
Sub - species
mutation
Gene mutation
26. Organ that serves no useful function in an organism
Variation
Analogous structures
Vestigial organs
Hybrid
27. A change in the base sequence of a gene
Gene mutation
Sedimentary Rock
Mate Selection
Analogous structures
28. Determined the concept of complementary base pairing
Chargaff
watson and crick
Locus
Gene
29. The type of environment in which an organism or group normally lives or occurs
Pre -zygotic Mechanisms
False genes
Geologic Evolution
Habitat
30. The gradual changes in gene frequencies in a population due to random events
Sequential Evolution
Common Ancestor
Genetic Drift
Heritable variation
31. The signal on a mRNA molecule that designates the end of the coding sequence is called the...
Monophyletic
homologous (Evolution Evidence)
stop codon
False RNA
32. Organisms with a similar underlying structure - but different function. Example: bird - bat and dolphin 'arm'. Shows a common ancestral link.
Homologous structures
clinC
Sub - species
Medel worked with _____
33. Inherited feature that tends to prevent species from interbreeding with other species
proteins
Punctuated Equilibrium
its negative charge
Isolating Mechanism
34. Large - scale evolutionary changes that take place over long periods of time
stop codon
Artificial selection
Sexual Selection
Macroevolution
35. Describes a cell - nucleus - or organism that has only one set of unpaired chromosomes
Haploid/Monoploid
Industrial Melanism
Monohybrid
nucleus
36. An equilibrium in the occurence of two or more different froms within the same population usually caused by different allele combiinations of a gene
Clade
Analogous structures
Balanced Polymorphism
Allele
37. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
Substitution
GATTACA
Sexual Selection
Ring Species
38. A body cell
Somatic
Codon
Sub - species
Evo Devo
39. The study of the structures of different organisms - looking at homologous parts
Fitness
Comparative Anatomy
Duplication
rRNA
40. Which type of Rna functions as a blue print of the genetic code
Parallel Evolution
mRNA
Directional Selection
Stabilising selection
41. The movement of genes between populations as a result of mating of migration
Evo Devo
Gene Flow
clinC
Dominant
42. 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
Heritable variation
Environment
Paleozoic era
tRNA
43. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
tRNA
Phyletic Gradualism (anagenesis)
Cast
polypeptide
44. Chromosomes are collections of many
genes
Adaptation
Centromere
rRNA
45. Transcrition occurs in the...
Adaptation
nucleus
Thymine
Evolution
46. A trait that masks the expression of another trait
Mate Selection
Dominant
Cenozoic era
Bottleneck Effect
47. Is a base found in DNA and RNA. In DNA its partner is Thymine. In RNA its partner is Uracil
Adenine
that is complementary to a single strand of DNA
Habitat
Vestigial structure
48. 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.
Character Displacement
Chromosomes
Chromosome mutation
Cytosine
49. Form of reproductive isolation in which tere are differences in species courtship behavior
its negative charge
hydrogen bonds
Medel worked with _____
Behavioral (ethological) Isolation
50. How often a particular gene occurs in the population
Ecological (habitat) Isolation
Amber
Gene frequency
polypeptide