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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 preserved remains or traces of an organism that lived in the past
Fossil
Test Cross
Stabilising selection
Genotype
2. Recognize and cut DNA at specific sequences usually palindromes
Ecological Barrier
restriction enzyme
Genetic Drift
Medel worked with _____
3. The evolutionary history/geneology of a group of organisms (a tree thingy)
Parallel Evolution
Substitution
Phylogeny
geologic time scale
4. The study of the structures of different organisms - looking at homologous parts
DNA
Chiasma
stop codon
Comparative Anatomy
5. Two alternative forms of a gene e.g Tall vs Short
Natural Selection
Alleles
clinC
Gene Flow
6. Another name for a gene
index fossil
translation
Homozygote
Allele
7. A mutation in which one nucleotide is replaced by another nucleotide
Fitness
Microevolution
Temporal Isolation
Substitution
8. Speciation which does not involve a period of geographical separation
watson and crick
tRNA
nucleotides
Sympatric Speciation
9. Physical characteristics of an organism based on its genotype. e.g. Plant that has a genotype of TT will have a phenotype of Tall.
mRNA
Semi - conservative replication
Phenotype
False RNA
10. The evolutionary process by which a species becomes better suited to its niche.
Founder Effect
Dihybrid Cross
Heterozygous
Adaptation
11. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Codon
Geographical Isolation
Germ
Guanine
12. Separates DNA by size
gel electrophoresis
Environment
Autosomes
tRNA
13. Gradual evolution within a lineage
Directional Selection
Monohybrid
Sequential Evolution
nucleotides
14. Impression made from a organism in soft material such as sand or mud.
Disruptive Selection
Chromosomes
Mold
restriction enzyme
15. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Homozygous
Directional Selection
Genotype
Amber
16. Embryos of similar organisms have very similar early development indicating similar DNA at work
Testcross
Phenotype
Comparative Embryology
Phenotype
17. T or F A cloned organism has the same proteins as another organism
Comparative Embryology
False genes
Absolute dating
Recombination
18. Independent segregation of genes during the formation of gametes
Somatic
Allele Frequency
Independent assortment
deoxyribose and phosphate
19. Shows how the embryos of different groups resemble each other at particular stages. Similarities indicate groups may share a common ancestor
Diploid
Heterozygous
gel electrophoresis
Comparative embryology
20. 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.
Divergent Evolution
DNA fingerprint
Gametic
Microevolution
21. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Post -zygotic Mechanisms
Nucleotide
If you lose one then you will still have one to back you up.
Ring Species
22. Trait where heterozygous is a blending of two alleles
Thymine
Adaptive Radiation
Genotype
its negative charge
23. Natural disaster eliminates most of the population - members left contribute the alleles for the new population.
Genetic Drift
Mesozoic era
Bottle neck effect
Substitution
24. Organ no longer serves a function
Mate Selection
Mutagen
vestigial (Evolution Evidence)
Stabilising
25. The type of environment in which an organism or group normally lives or occurs
Coevolution
Phenotype
chromatin
Habitat
26. A codon is made of...
Convergent Evolution
Locus
3 nucleotides
Heritable variation
27. Dna moves during electrophoresis because of...
Meiosis
its negative charge
tRNA
anticodon
28. A taxon originating from and including a single common ancestor
Precambrian era
Monophyletic
Deme
Polyploidy
29. Process by which one species gives rise to two or more species
cytoplasm
Speciation
Analogous structures
Somatic
30. Translation occurs in the...
Deletion
trace fossils
cytoplasm
Precambrian era
31. Building block of a nucleic acid (DNA and RNA)
RNA polymerase
Monophyletic
Sex Chromosomes
nucleotide
32. A nucleotide of RNA is made of...
Incomplete Dominance
Migration
ribose - phosphate - and a base
Convergent Evolution
33. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
Monohybrid Cross
Nucleotide
Homozygote
Convergent Evolution
34. When zygote does not complete development or is physically weaker than normal
that is complementary to a single strand of DNA
homologous (Evolution Evidence)
Hybrid Inviability
Absolute dating
35. DNA is made of...
Selection
nucleotides
Homozygous
Chromosomes
36. Ribosomes are made of...
rRNA
mutation
Species
Evolution
37. The backbone of DNA consist of...
deoxyribose and phosphate
Homozygous
Genetic Drift
transcription
38. The enzyme that binds to the promoter region of a gene during transcription is called...
RNA polymerase
replication
Hybrid Inviability
Relative dating
39. What does DNA stand for...
deoxyribonucleic acid
GATTACA
nucleotides
Recombination
40. During transcription an RNA molecule is formed
Post -zygotic Mechanisms
that is complementary to a single strand of DNA
Genetic Equilibrium
Sequential Evolution
41. Used x ray cyrstallography to create an image of DNA
Sequential Evolution
DNA
Rosalind Franklin
Locus
42. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
body fossils
restriction enzymes - sticky ends
Recombination
introns
43. 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
Reproductive Isolation
mRNA
polypeptide
Sex Chromosomes
44. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
Comparative Embryology
Nucleotide
Founder effect
Cast
45. The adaptive increase in pigmentation as a result of human - induced pollutants
Industrial Melanism
Comparative anatomy
restriction enzymes - sticky ends
ribose - phosphate - and a base
46. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Environment
Precambrian era
Insertion
ribose - phosphate - and a base
47. An ancestor that two or more descendants have in common
transcription
thymine
Common Ancestor
restriction enzymes - sticky ends
48. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
Clade
Analogous structures
Test Cross
Adaptive Radiation
49. Speciation preceded by a period of geographical isolation
Gene Pool
Sex Chromosomes
Evo Devo
Allopatric Speciation
50. Mutation where an extra base is added
Insertion
Species
Mutation
The cell uses information from mRNA to produce proteins