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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 environmental factors that favour certain phenotypes
Vestigial structure
Population
Selection pressure
Monohybrid
2. Three mRNA nucleotides that code for a specific amino acid
Recessive
codon
Isolating Mechanism
Independent assortment
3. A type of natural selection in which genetic diversity decreases as the population stabilises on a particular trait value
Stabilising selection
ribose - phosphate - and a base
translation
Ring Species
4. Is any chromosome that is not a sex chromosome.
Autosomes
rRNA
Comparative anatomy
RNA polymerase
5. Messenger RNA; type of RNA that carries instructions from DNA in the nucleus to the ribosome
mRNA
Balanced Polymorphism
Clade
Punctuated Equilibrium
6. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
Molecular biology
Comparative Embryology
Mendel's traits are now called _____ found on DNA
Organic Evolution
7. Is a base found in DNA and RNA. Cytosine pairs with Guanine in DNA
Cytosine
Clade
Heterozygote
Bottleneck Effect
8. Is found in DNA
Disruptive Selection
thymine
Genotype
Industrial Melanism
9. The gradual changes in gene frequencies in a population due to random events
tRNA
Autosomes
Genetic Drift
Cenozoic era
10. A DNA double helix is held together in the center by between nitrogenous bases
restriction enzymes - sticky ends
Molecular biology
hydrogen bonds
Locus
11. The banding pattern of a persons DNA after being cut and run on gel is called
DNA fingerprint
chromatin
Paleozoic era
Disruptive Selection
12. What does DNA stand for...
DNA fingerprint
Duplication
RNA polymerase
deoxyribonucleic acid
13. Breeding organisms with specific traits in order to produce offspring with identical traits
Artificial selection
Balanced Polymorphism
Ring Species
Homozygous
14. T or F If a nucleic acid contain uracil it is DNA
Founder Effect
False RNA
Genetic Drift
Phylogeny
15. A unique combination of traits that are passed down from one generation to another.
Mechanical (morphological) Isolation
Temporal Isolation
Heritable variation
Deme
16. In the event of a sperm fertilizing an egg of another species - mechanisms that prevent result being fruitful
Post -zygotic Mechanisms
cytoplasm
index fossil
Dominant
17. Human - like species that existed millions of years ago as witnessed through fossil evidence.
Hominid
Behavioral (ethological) Isolation
Molecular biology
Endemic
18. The sum total of an organism's requirements; its way of life
deoxyribose and phosphate
Speciation
Adaptation
Niche
19. Organ no longer serves a function
vestigial (Evolution Evidence)
Guanine
Sedimentary Rock
RNA polymerase
20. Process in which DNA is duplicated
replication
Incomplete Dominance
Stasis
Immigration
21. Organ that serves no useful function in an organism
Rosalind Franklin
Immigration
Speciation
Vestigial organs
22. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Homologous Structures
Sequential Evolution
Semi - conservative replication
Divergent Evolution
23. Building block of a protein
Adaptation
Vestigial organs
amino acid
embryological evidence
24. Gene
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25. Because of base pairing in DNA the amount of
Endemic
cytosine in DNA is about equal to the percentage of guanine molecules
Disruptive Selection
codon
26. The study of the structures of different organisms - looking at homologous parts
anticodon
Immigration
Migration
Comparative Anatomy
27. A group of organisms of the same species occupying a given area.
Variation
Duplication
Bottleneck Effect
Population
28. The adaptive increase in pigmentation as a result of human - induced pollutants
Adaptation
transcription
Industrial Melanism
Monohybrid Cross
29. Term used to refer to an organism that has two different alleles for the same trait. e.g Tt is the heterozygous genotype for Tall.
Phylogeny
Species
Heterozygous
amino acid
30. How often a particular gene occurs in the population
amino acids
Gene frequency
Gene pool
Heterozygous
31. The backbone of DNA consist of...
Reproductive Isolation
deoxyribose and phosphate
Ice
body fossils
32. Features that are superficially similar but have different modes of development
Deletion
Analogous Features
Independent assortment
Mendel's traits are now called _____ found on DNA
33. 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
Absolute dating
Analogous Structures (analogies)
Heterozygote
Genetic Drift
34. Change to a chromosome in which a fragment of the chromosome is removed
Hybrid
Disruptive Selection
Deletion
Crossing over
35. Similar embryological structures in different species - such as gill slits - may demonstrate that these species share a common ancestor.
embryological evidence
Igneous and metamorphic rock
Phenotype
If you lose one then you will still have one to back you up.
36. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
Founder Effect
Coevolution
Species
Divergent Evolution
37. Speciation which does not involve a period of geographical separation
true
Sympatric Speciation
Pre -zygotic Mechanisms
Evo Devo
38. The reduction of a population - typically by a natural disaster - such that the surviving population is no longer genetically representative of the original population.
Gene frequency
Bottleneck Effect
Duplication
Codon
39. A geographic gradient in the extent to which a character is developed in a species
mRNA
Monohybrid
clinC
Independent assortment
40. Trait where heterozygous is a blending of two alleles
rRNA
Homozygous
Coevolution
Genotype
41. Identical alleles for a gene
Deme
Disruptive Selection
Heterozygous
Homozygote
42. Shows how the embryos of different groups resemble each other at particular stages. Similarities indicate groups may share a common ancestor
Vestigial structure
Diploid
Mutation
Comparative embryology
43. Era of recent life that began about 66 million years ago and continues today; includes the first appearance Hominids
Habitat
Ecological Barrier
Cenozoic era
Founder Effect
44. The specific location of a gene on a chromosome
DNA fingerprint
Locus
Vestigial structure
Hominid
45. One of the types of fossils made from hardened tree resin. Preserves both hard and soft parts.
Analogous Structures (analogies)
Homologous Structures
Mold
Amber
46. A small simple structure (as a fertilized egg) from which new tissue can develop into a complete organism. It is also a cell
Founder effect
Germ
Allele Frequency
Hominid
47. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
GATTACA
codon
Absolute dating
Fitness
48. Embryos of similar organisms have very similar early development indicating similar DNA at work
Comparative Embryology
Post -zygotic Mechanisms
Homozygous
Thymine
49. The comparison of the structures of different organisms
Geologic Evolution
Recessive
Comparative anatomy
Gene Pool
50. A body cell
Somatic
Geographical Isolation
Petrification
its negative charge