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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. Nucleotides that control which amino acids are added during protein synthesis
Evolution
Vestigial organs
Adaptation
Codon
2. DNA that is coiled around proteins
Homozygote
Sex Chromosomes
chromatin
rRNA
3. Threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next
mutation
Chromatid
Chromosomes
clinC
4. Gene
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5. Visual expression of a trait
three
anticodon
Phenotype
Coevolution
6. Mating of an individual of unknown genotype but dominant phenotype w/ a homozygous recessive individual
Testcross
Deletion
Ecological (habitat) Isolation
Homozygote
7. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
Absolute dating
Haploid/Monoploid
tRNA
molecular evidence
8. Is a trait that is more expressed than another trait. Is written in capital letters for Genotype. E.g Tall genotype is TT or Tt where T is the allele for tall trait and t is the trait for small. T will be expressed more.
Deme
Histone
Dominant
Gene pool
9. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
False RNA
Chiasma
Germ
If you lose one then you will still have one to back you up.
10. Proteins are made of...
Mutagen
amino acids
Recessive
Heritable variation
11. A limb with five digits (fingers)
RNA polymerase
Behavioral (ethological) Isolation
Gene
Pentadactyl limb
12. In the event of a sperm fertilizing an egg of another species - mechanisms that prevent result being fruitful
Gene mutation
tRNA
Post -zygotic Mechanisms
Chiasma
13. The structure on a tRNA molecule that allows it interact with an mRNA molecule
Gametic
Variation
anticodon
Sex Chromosomes
14. Large - scale evolutionary changes that take place over long periods of time
Macroevolution
Dihybrid Cross
DNA
Monohybrid
15. Mutation where an extra base is added
Insertion
Monohybrid
RNA polymerase
Guanine
16. Actual remains of an organism such as bones - teeth - shells - etc.
Population
polypeptide
body fossils
Test Cross
17. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Hybrid Inviability
Gene Pool
Geographical Isolation
Fossil
18. How often a form of a gene appears in a gene pool
Allele Frequency
Vestigial structure
Genetic Equilibrium
Deletion
19. Name for oism with one dominant and one recessive allele
mRNA
Dihybrid
Migration
Heterozygous
20. Chromosomes are collections of many
genes
Industrial Melanism
Recombination
that is complementary to a single strand of DNA
21. Is the genetic makeup of an organism (TT or Tt) ; All the combinations of genes you have for a certain trait.
genes
Precambrian era
Selection pressure
Genotype
22. Determined the concept of complementary base pairing
tRNA
Sexual Selection
Chargaff
Isolating Mechanism
23. Natural disaster eliminates most of the population - members left contribute the alleles for the new population.
deoxyribose and phosphate
Bottle neck effect
Sympatric Speciation
Hominid
24. A model for the evolution of different froms over a long period of time but with only slight chchanges occring between successive generations
Phyletic Gradualism (anagenesis)
Speciation
geologic time scale
Gene frequency
25. Physical characteristics of an organism based on its genotype. e.g. Plant that has a genotype of TT will have a phenotype of Tall.
Recessive
Phenotype
Dihybrid Cross
Deme
26. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Allele Frequency
Deme
Niche
Amber
27. A pairing where the parent plants differ in only one character.
Monohybrid Cross
Reproductive Isolation
Nucleotide
Geographical Isolation
28. The sum total of an organism's requirements; its way of life
codon
Absolute dating
Niche
Bottleneck Effect
29. Building block of a protein
amino acid
mRNA
Independent assortment
Allele
30. 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
Mutation
Character Displacement
Founder Effect
31. A mutation in which one nucleotide is replaced by another nucleotide
rRNA
Substitution
mutation
transcription
32. Condition in which an organism has extra sets of chromosomes
Convergent Evolution
Homozygous
Diploid
Polyploidy
33. Ribosomal RNA; type of RNA that makes up part of the ribosome
Gamete Isolation
Stabilising
rRNA
Dominant
34. Genes contain instructions for assembling
Hybrid Inviability
genes
proteins
Centromere
35. Consists of all genes - including all the different alleles - that are present in a population
Allele Frequency
Gene pool
Phenotype
Meiosis
36. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
Immigration
Incomplete Dominance
Testcross
Geologic Evolution
37. A DNA double helix is held together in the center by between nitrogenous bases
Dihybrid Cross
GATTACA
Character Displacement
hydrogen bonds
38. The study of the structures of different organisms - looking at homologous parts
Comparative Anatomy
Mesozoic era
Heterozygous
Founder Effect
39. What does DNA stand for...
amino acids
mRNA
Niche
deoxyribonucleic acid
40. Movement of alleles into or out of a population due to the migration of individuals to or from the population
Gene flow
Alleles
Directional Selection
Mate Selection
41. Evolution resulting from small specific genetic changes that can lead to a new subspecies
Sequential Evolution
Microevolution
Parallel Evolution
Genetic Equilibrium
42. A change in the base sequence of a gene
Gene mutation
Sedimentary Rock
Meiosis
its negative charge
43. Different alleles for a gene
Recombination
Gene
Heterozygote
Ecological Barrier
44. A type of barrier between species; the species remain isolated because male and femal gametes of the different species cannot fuse - or they die before they unite.
cytoplasm
Analogous Features
Gene flow
Gametic
45. How many codons are needed to specify three amino acids
Recessive
tRNA
three
Molecular biology
46. Type of sympatric speciation that occurs when a new species is formed because of a change in microhabitats
Common Ancestor
Medel worked with _____
NIche Isolation
Phenotype
47. 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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48. T or F A cloned organism has the same proteins as another organism
False genes
Gene flow
Heterozygous
Speciation
49. Trait evolves overtime; NO common ancestry
thymine
gel electrophoresis
Macroevolution
analogous (Evolution Evidence)
50. Type of rock made from small pieces of other rocks and organisms pressed together. Source of fossil preservation. Limited radioactive or absolute dating potential.
Sedimentary Rock
Convergent Evolution
Heterozygous
Hershey and Chase