SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 sum total of an organism's requirements; its way of life
Niche
anticodon
watson and crick
Recessive
2. Organism is preserved at very low temperatures. Preservation of both hard and soft parts can occur.
mRNA
Fossil
Divergent Evolution
Ice
3. Genes contain instructions for assembling
proteins
Igneous and metamorphic rock
Genotype
Ecological Barrier
4. Selection for the ability to obtain a mate
Sexual Selection
Stasis
Ecological (habitat) Isolation
Diploid
5. Which structure contains anticodons
Insertion
Extinction
Species
tRNA
6. Found only in that country
Directional Selection
Endemic
Behavioral (ethological) Isolation
Gene
7. The study relating the evolution of new charateristics to changes in the genes controlling development
Species
Absolute dating
Evo Devo
3 nucleotides
8. The final product of transcription is...
Punnett Square
Test Cross
mRNA
transcription
9. What is one benefit for having two strands of DNA?
If you lose one then you will still have one to back you up.
Adaptive Radiation
amino acid
Haploid/Monoploid
10. 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
Niche
Translocation
Paleozoic era
Cenozoic era
11. The capacity of an individual of certain genotype to reproduce. It is usually equal to the proportion of the individual's genes in all the genes of the next generation
Comparative embryology
Fitness
Selection pressure
Fossils
12. Another term for pure breeding
Parallel Evolution
Mass Extinction
Homozygous
polypeptide
13. Change in a DNA sequence that affects genetic information
Rosalind Franklin
Mutation
Common Ancestor
Relative dating
14. Ribosomes are made of...
Speciation
mRNA
Immigration
rRNA
15. Innate trait; shared ancestry
homologous (Evolution Evidence)
Reproductive Isolation
Clade
Stabilising selection
16. Which type of Rna functions as a blue print of the genetic code
watson and crick
Heterozygous
mRNA
mutation
17. Inherited feature that tends to prevent species from interbreeding with other species
Vestigial structure
Relative dating
Natural Selection
Isolating Mechanism
18. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
Immigration
Allele Frequency
gel electrophoresis
Nucleotide
19. T or F If a nucleic acid contain uracil it is DNA
anticodon
False RNA
Hybrid
Ecological Barrier
20. The formation of new species as a result of evolution
cytosine in DNA is about equal to the percentage of guanine molecules
Ring Species
Selection
Speciation
21. Because of base pairing in DNA the amount of
Dominant
Post -zygotic Mechanisms
cytosine in DNA is about equal to the percentage of guanine molecules
Genetic Equilibrium
22. A mutation in which one nucleotide is replaced by another nucleotide
index fossil
Sedimentary Rock
Substitution
Disruptive Selection
23. The offspring of a cross between two inbred lines within a single species. May also refer to the offspring of across between two species
tRNA
Chromosome mutation
Mate Selection
Hybrid
24. Predicts the possible outcome of a genetic cross.
Convergent Evolution
DNA
Punnett Square
Behavioral (ethological) Isolation
25. These prevent fertilization between species e.g. diff breeding season - mating behaviour
Monohybrid
Pre -zygotic Mechanisms
rRNA
Stabilising selection
26. Disappearance of a species from all parts of its geographical range
Extinction
Reproductive Isolation
Independent assortment
Medel worked with _____
27. Deoxyribonucleic acid carries the genetic code for the proper functioning of an organism. It is composed of 5 carbon sugar (deoxyribose) four bases Adenine - Thymine - Cytosine and Guanine. the sugar is bonded to a phosphate group. This forms a long
polypeptide
cytosine in DNA is about equal to the percentage of guanine molecules
Igneous and metamorphic rock
DNA
28. A pairing where the parent plants differ in only one character.
that is complementary to a single strand of DNA
Monohybrid Cross
Phyletic Gradualism (anagenesis)
Punnett Square
29. T or F A cloned organism has the same proteins as another organism
Habitat
False genes
Hybrid
Stabilising selection
30. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic
Paleozoic era
geologic time scale
three
chromatin
31. Different alleles for a gene
Homozygous
homologous (Evolution Evidence)
RNA polymerase
Heterozygote
32. 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.
Endemic
chromatin
Gene flow
Double Helix
33. Movement of alleles into or out of a population due to the migration of individuals to or from the population
its negative charge
deoxyribose and phosphate
Gene flow
homologous (Evolution Evidence)
34. 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
Analogous Structures (analogies)
GATTACA
Monohybrid
NIche Isolation
35. A change in the base sequence of a gene
Allele Frequency
Gene mutation
Mutation
Mutation
36. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Immigration
nucleus
Amber
thymine
37. Middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs - rise of flowering plants
Homozygous
Test Cross
Industrial Melanism
Mesozoic era
38. Nucleotides that control which amino acids are added during protein synthesis
Codon
deoxyribose and phosphate
analogous (Evolution Evidence)
Heterozygous
39. Mating of 2 oism that differ in 2 characters
Gene Pool
Stasis
Environment
Dihybrid Cross
40. How often a form of a gene appears in a gene pool
Nucleotide
Allele Frequency
Genetic Drift
Comparative anatomy
41. A genetic crosses that involve one trait. e.g TT plant crossed with tt plant has offspring who are heterozygous Tt.
stop codon
Monohybrid
Paleozoic era
Homozygous
42. The movement of genes between populations as a result of mating of migration
Monophyletic
Stabilising
Gene Flow
False genes
43. All the factors in an organism's surroundings that can potentially affect it
Environment
Homozygous
clinC
Mendel's Principle of Segregation
44. 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.
Chromosome mutation
Hybrid Breakdown
Mechanical (morphological) Isolation
anticodon
45. The preserved remains or traces of an organism that lived in the past
Fossil
Organic Evolution
Testcross
Analogous Features
46. Process by which a ribosome uses the code on mRNA to make proteins
Sequential Evolution
translation
Speciation
Pentadactyl limb
47. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Geographical Isolation
ribose - phosphate - and a base
amino acids
watson and crick
48. 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.
Locus
Adenine
Mitosis
Substitution
49. Condition in which an organism has extra sets of chromosomes
Gamete Isolation
Polyploidy
Gene pool
Evolution
50. The structure on a tRNA molecule that allows it interact with an mRNA molecule
Temporal Isolation
anticodon
Mendel's traits are now called _____ found on DNA
Allele Frequency