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. What does DNA stand for...
Analogous Structures (analogies)
NIche Isolation
deoxyribonucleic acid
Behavioral (ethological) Isolation
2. Genes contain instructions for assembling
proteins
Natural Selection
Gene frequency
Geologic Evolution
3. A codon is made of...
Character Displacement
Igneous and metamorphic rock
3 nucleotides
mutation
4. Is any chromosome that is not a sex chromosome.
tRNA
Igneous and metamorphic rock
Cenozoic era
Autosomes
5. Change in a DNA sequence that affects genetic information
Reproductive Isolation
Homozygous
Mutation
transcription
6. A distinct population of a species that varies from other populations of the same species.
Genotype
Igneous and metamorphic rock
Test Cross
Sub - species
7. Similar DNA sequences or protein structures (such as hemoglobin) may link different species to a similar ancestor.
watson and crick
molecular evidence
Sympatric Speciation
Gene flow
8. Of a cell or organism having two sets of homologous chromosomes or twice the haploid number
Adenine
Natural Selection
Sequential Evolution
Diploid
9. The offspring of a cross between two inbred lines within a single species. May also refer to the offspring of across between two species
Microevolution
Speciation
Hybrid
Artificial selection
10. A change in the base sequence of DNA; the ultimate source of new alleles
Gene pool
Mutation
Hybrid Inviability
amino acid
11. The gradual changes in gene frequencies in a population due to random events
Genetic Drift
Species
ribose - phosphate - and a base
hydrogen bonds
12. The type of environment in which an organism or group normally lives or occurs
Genetic Equilibrium
Monohybrid
Parallel Evolution
Habitat
13. A pairing where the parent plants differ in only one character.
tRNA
Monohybrid Cross
deoxyribose and phosphate
rRNA
14. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
Histone
Molecular biology
Hybrid Inviability
Gene
15. Trait evolves overtime; NO common ancestry
Hybrid
analogous (Evolution Evidence)
Independent assortment
Genome
16. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Heterozygote
Common Ancestor
Hybrid Breakdown
Precambrian era
17. Another name for a gene
Thymine
Allele
anticodon
Sub - species
18. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
Allele
mutation
restriction enzymes - sticky ends
Geographical Isolation
19. A fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found
index fossil
Chiasma
three
Stabilising
20. These prevent fertilization between species e.g. diff breeding season - mating behaviour
Autosomes
Allele
proteins
Pre -zygotic Mechanisms
21. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
ribose - phosphate - and a base
vestigial (Evolution Evidence)
Homologous Structures
Adaptive Radiation
22. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
Species
Divergent Evolution
Hybrid Infertility
Directional Selection
23. Because of base pairing in DNA the amount of
cytosine in DNA is about equal to the percentage of guanine molecules
Population
body fossils
clinC
24. Mating of an individual of unknown genotype but dominant phenotype w/ a homozygous recessive individual
Testcross
Mate Selection
Genetic Equilibrium
Phylogeny
25. DNA is made of...
Precambrian era
nucleotides
Insertion
three
26. What happens during the process of translation
The cell uses information from mRNA to produce proteins
If you lose one then you will still have one to back you up.
Gamete Isolation
Hybrid Breakdown
27. Building block of a protein
amino acid
Deletion
restriction enzyme
Ecological Barrier
28. 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.
gel electrophoresis
Testcross
Double Helix
Homozygote
29. Ribosomes are made of...
rRNA
Natural Selection
stop codon
analogous (Evolution Evidence)
30. Which structure contains anticodons
Character Displacement
tRNA
Analogous Features
Ice
31. Pea plants
Homologous structures
Medel worked with _____
analogous (Evolution Evidence)
Nucleotide
32. Three mRNA nucleotides that code for a specific amino acid
Chiasma
Deme
codon
geologic time scale
33. A small simple structure (as a fertilized egg) from which new tissue can develop into a complete organism. It is also a cell
Paleozoic era
Evo Devo
Germ
Niche
34. Synonym for protein; chain of amino acids
tRNA
Industrial Melanism
Mold
polypeptide
35. A type of natural selection in which genetic diversity decreases as the population stabilises on a particular trait value
Analogous structures
Stabilising selection
deoxyribose and phosphate
Evolution
36. The independant evolution of similar traits - starting from a similar ancestral condition
Homologous pair
Double Helix
Allopatric Speciation
Parallel Evolution
37. Cell division that produces reproductive cells or gamates.This occurs in the gonads (testicle and ovaries in animals) Here the chromosome number is halved the original amount. (each new cell has a haploid number = n) All daughter cells are not geneti
Meiosis
Bottle neck effect
Genetic Equilibrium
Habitat
38. Is a sequence of DNA that codes for a protein and thus determines a trait. This is because the sequence of bases code for certain proteins.
Ring Species
clinC
Rosalind Franklin
Gene
39. Term used to refer to an organism that has two identical alleles for a particular trait. e.g TT is the homozygous genotype for Tall.
restriction enzymes - sticky ends
Homologous structures
Homozygous
Parallel Evolution
40. Similar embryological structures in different species - such as gill slits - may demonstrate that these species share a common ancestor.
embryological evidence
Selection pressure
Punctuated Equilibrium
Allele Frequency
41. Organ no longer serves a function
vestigial (Evolution Evidence)
anticodon
Natural Selection
embryological evidence
42. The banding pattern of a persons DNA after being cut and run on gel is called
Paleozoic era
Mutation
DNA fingerprint
Rosalind Franklin
43. Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
Natural Selection
Meiosis
Mendel's traits are now called _____ found on DNA
Insertion
44. Closely related species occupying different habitats - niches preventing them from interbreeding
translation
Clade
Ecological Barrier
Phylogeny
45. The backbone of DNA consist of...
Homozygote
Parallel Evolution
body fossils
deoxyribose and phosphate
46. An evolutionary 'branch' and its daughter 'twigs'
Dominant
Clade
Recombination
3 nucleotides
47. Evolution resulting from small specific genetic changes that can lead to a new subspecies
ribose - phosphate - and a base
Gene
Microevolution
Codon
48. Translation occurs in the...
Gene mutation
cytoplasm
Heterozygous
Monohybrid
49. A base found in DNA (but not in RNA). This base pairs with Adenine.
nucleotide
Biogeography
Thymine
rRNA
50. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
Gene
Molecular biology
three
Bottle neck effect