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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. 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.
Mate Selection
Centromere
Chromosomes
Mechanical (morphological) Isolation
2. During transcription an RNA molecule is formed
Fossil
Thymine
codon
that is complementary to a single strand of DNA
3. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Mesozoic era
Crossing over
False genes
Homologous Structures
4. A distinct population of a species that varies from other populations of the same species.
Sub - species
Comparative anatomy
RNA polymerase
Gametic
5. Structure present in an organism however does NOT have a known function. May link organisms with similar vestigial structures. Example: appendix - coccyx bone - whale leg bones.
Alleles
Environment
Niche
Vestigial structure
6. Is active during transcription
Dihybrid Cross
deoxyribonucleic acid
RNA polymerase
Homozygous
7. DNA that is coiled around proteins
Monohybrid Cross
Population
Balanced Polymorphism
chromatin
8. Natural selection that causes the frequency of a particular allele to move in one direction
Ecological (habitat) Isolation
Directional Selection
Phylogeny
Gene mutation
9. A mutation in which one nucleotide is replaced by another nucleotide
Substitution
Mass Extinction
Genotype
Autosomes
10. Are noncoding sequences in the gene that are removed from RNA after transcription
Genetic Drift
Precambrian era
Hershey and Chase
introns
11. A combining of genes or characters different from what they were in the parents
Comparative Embryology
Mechanical (morphological) Isolation
Recombination
Genome
12. Evolution resulting from small specific genetic changes that can lead to a new subspecies
Mate Selection
Chromosomes
Paleozoic era
Microevolution
13. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
Phylogeny
Gene
Amber
tRNA
14. The complete genetic material contained in an individual
Phyletic Gradualism (anagenesis)
Deletion
Genome
Directional Selection
15. Chromosomes are collections of many
False RNA
genes
hydrogen bonds
Sex Chromosomes
16. Separation of species or populations so that they cannot interbreed and produce fertile offspring
proteins
Reproductive Isolation
Microevolution
Ecological Barrier
17. Translation occurs in the...
Homologous structures
Gene Flow
Thymine
cytoplasm
18. A group of organisms whose members are sufficiently alike to be able to reproduce and produce fertile offspring and who are unable to reproduce with other such groups
Extinction
Allele
Species
Centromere
19. A taxon originating from and including a single common ancestor
Genotype
Fitness
Analogous Structures (analogies)
Monophyletic
20. Identical alleles for a gene
Geographical Isolation
rRNA
Bottle neck effect
Homozygote
21. Selection for the ability to obtain a mate
Sexual Selection
Fossil
Character Displacement
Bottleneck Effect
22. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
Adenine
restriction enzymes - sticky ends
watson and crick
Extinction
23. Group of similar organisms that can breed and produce fertile offspring
vestigial (Evolution Evidence)
Locus
Species
mutation
24. Organ no longer serves a function
Founder effect
that is complementary to a single strand of DNA
vestigial (Evolution Evidence)
Centromere
25. Mating of an individual of unknown genotype but dominant phenotype w/ a homozygous recessive individual
Habitat
Testcross
Directional Selection
Guanine
26. Change in allele frequencies as a result of the migration of a small subgroup of a population
transcription
Founder Effect
Testcross
Bottle neck effect
27. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration
Gene Pool
Evo Devo
Convergent Evolution
molecular evidence
28. A codon is made of...
Mechanical (morphological) Isolation
Mold
Ring Species
3 nucleotides
29. Evolution of living things - based on evidence from the past and present.
Hybrid Infertility
Organic Evolution
Sedimentary Rock
Gene Flow
30. Movement of alleles into or out of a population due to the migration of individuals to or from the population
Gene flow
Substitution
ribose - phosphate - and a base
Autosomes
31. The condition in which there is no change in allele frequencies from generation to generation (i.e. no evolution)
Genetic Equilibrium
transcription
Reproductive Isolation
translation
32. A change in the base sequence of DNA; the ultimate source of new alleles
Mutation
Analogous structures
Haploid/Monoploid
Stasis
33. Large - scale evolutionary changes that take place over long periods of time
Macroevolution
mRNA
Dominant
Evo Devo
34. Types of rocks formed after exposure to very high heat. Because of the high temperatures - fossils are not able to be recovered from these types of rocks. Absolute or radioactive dating is possible - however.
Alleles
Coevolution
Igneous and metamorphic rock
thymine
35. Gradual evolution within a lineage
Sequential Evolution
Directional Selection
Guanine
Nucleotide
36. Reciprocal evolution in two species as a result of the selection pressure each imposes upon the other
Guanine
stop codon
Coevolution
Species
37. Process in which DNA is duplicated
replication
cytoplasm
Ring Species
Microevolution
38. 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
Rosalind Franklin
Nucleotide
Dominant
Analogous Structures (analogies)
39. Shows how the embryos of different groups resemble each other at particular stages. Similarities indicate groups may share a common ancestor
Heterozygote
Comparative embryology
Mendel's traits are now called _____ found on DNA
Cast
40. A population partially isolated from other populations of the same species
Genetic Drift
index fossil
Deme
Fossils
41. 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.
Genetic Equilibrium
Double Helix
thymine
Monohybrid Cross
42. In the event of a sperm fertilizing an egg of another species - mechanisms that prevent result being fruitful
DNA fingerprint
cytosine in DNA is about equal to the percentage of guanine molecules
Post -zygotic Mechanisms
amino acid
43. Innate trait; shared ancestry
Comparative Embryology
Homologous structures
homologous (Evolution Evidence)
Speciation
44. A body cell
Somatic
Semi - conservative replication
DNA fingerprint
Mendel's traits are now called _____ found on DNA
45. A small simple structure (as a fertilized egg) from which new tissue can develop into a complete organism. It is also a cell
Comparative anatomy
Germ
Adenine
Homologous pair
46. Transfer RNA; type of RNA that carries amino acids to the ribosome
Diploid
geologic time scale
tRNA
Speciation
47. Different alleles for a gene
Heterozygote
Genotype
Ecological (habitat) Isolation
Sedimentary Rock
48. T or F A cloned organism has the same proteins as another organism
Genotype
nucleotides
Mutation
False genes
49. The independant evolution of similar traits - starting from a similar ancestral condition
Parallel Evolution
Duplication
Allele Frequency
homologous (Evolution Evidence)
50. Similar DNA sequences or protein structures (such as hemoglobin) may link different species to a similar ancestor.
Relative dating
Monohybrid
molecular evidence
Common Ancestor