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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. 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.
Igneous and metamorphic rock
geologic time scale
Genetic Drift
Founder Effect
2. 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
translation
Mesozoic era
Allopatric Speciation
Species
3. Are noncoding sequences in the gene that are removed from RNA after transcription
index fossil
Niche
introns
geologic time scale
4. Translation occurs in the...
Mendel's traits are now called _____ found on DNA
cytoplasm
Homologous structures
Punctuated Equilibrium
5. DNA is made of...
Microevolution
Hybrid Inviability
Genetic Drift
nucleotides
6. Three mRNA nucleotides that code for a specific amino acid
three
ribose - phosphate - and a base
codon
Gene pool
7. Selection acting against the extremes of a range of variation - resulting in resistance to change in allele frequencies
Stabilising
Allele Frequency
Founder effect
Phenotype
8. Building block of a nucleic acid (DNA and RNA)
nucleotide
Environment
Hybrid Infertility
Extinction
9. Change to a chromosome in which a fragment of the chromosome is removed
Habitat
Mesozoic era
Deletion
restriction enzymes - sticky ends
10. The region of the chromosome that holds the two sister chromatids together during mitosis
Directional Selection
Hybrid Inviability
analogous (Evolution Evidence)
Centromere
11. Describes the isolation of a physical barrier e.g. body of water (ocean) or mountains
Mitosis
nucleotides
Geographical Isolation
Deletion
12. Describes a cell - nucleus - or organism that has only one set of unpaired chromosomes
Haploid/Monoploid
Dihybrid Cross
nucleotides
Gene pool
13. T or F A cloned organism has the same proteins as another organism
Recessive
Homozygous
true
False genes
14. Periods of rapid evolution punctuated by periods of little change
Monophyletic
Independent assortment
Punctuated Equilibrium
Phyletic Gradualism (anagenesis)
15. Impression made from a organism in soft material such as sand or mud.
Mold
Adaptation
Temporal Isolation
Deme
16. Movement of organisms ro of from a population
Migration
codon
3 nucleotides
mutation
17. The gradual changes in gene frequencies in a population due to random events
Genetic Drift
codon
Selection pressure
chromatin
18. Cross where you cross unknown genotype with a recessive
Sexual Selection
proteins
Test Cross
Phylogeny
19. The complete genetic material contained in an individual
thymine
Allele Frequency
that is complementary to a single strand of DNA
Genome
20. Relatively rapid proliferation from an ancestral type into new types which fill a diversity of ecological niches
Adaptive Radiation
Bottleneck Effect
Punnett Square
RNA polymerase
21. Which structure contains anticodons
amino acid
Temporal Isolation
Bottle neck effect
tRNA
22. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
tRNA
Genetic Drift
Divergent Evolution
hydrogen bonds
23. 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
Disruptive Selection
Species
Meiosis
Microevolution
24. Mating of 2 oism that differ in 2 characters
Semi - conservative replication
Macroevolution
Dihybrid Cross
Endemic
25. The comparison of the structures of different organisms
restriction enzymes - sticky ends
Comparative anatomy
Founder Effect
Gene Flow
26. Actual remains of an organism such as bones - teeth - shells - etc.
body fossils
False RNA
If you lose one then you will still have one to back you up.
Hominid
27. A small simple structure (as a fertilized egg) from which new tissue can develop into a complete organism. It is also a cell
rRNA
Pre -zygotic Mechanisms
Sex Chromosomes
Germ
28. Describes the existence of a prezygotic reproductive barrier between two species as a result of them occupying or breeding in different habitats within the same general geographical area
Immigration
Niche
Ecological (habitat) Isolation
Comparative Anatomy
29. Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
Gene mutation
nucleus
Temporal Isolation
Natural Selection
30. Group of similar organisms that can breed and produce fertile offspring
Vestigial structure
Hershey and Chase
Species
Independent assortment
31. The structure on a tRNA molecule that allows it interact with an mRNA molecule
anticodon
Sex Chromosomes
Insertion
its negative charge
32. The offspring of a cross between two inbred lines within a single species. May also refer to the offspring of across between two species
Hybrid
restriction enzymes - sticky ends
Gene frequency
Thymine
33. Identical alleles for a gene
Hybrid Breakdown
Recombination
mutation
Homozygote
34. When zygote does not complete development or is physically weaker than normal
Phyletic Gradualism (anagenesis)
Hybrid Inviability
Heterozygous
Sequential Evolution
35. What does DNA stand for...
Directional Selection
Thymine
Hominid
deoxyribonucleic acid
36. Selection for the ability to obtain a mate
Recessive
Sexual Selection
mRNA
vestigial (Evolution Evidence)
37. Hybrid is sterile so biologically unfit
Hybrid Infertility
hydrogen bonds
Homozygote
Microevolution
38. Process by which one species gives rise to two or more species
tRNA
Speciation
Geographical Isolation
Founder Effect
39. Three dimensional shape of organism made from a mold. May be created with plaster or over time with minerals.
Haploid/Monoploid
tRNA
Cast
Organic Evolution
40. A change in the base sequence of a gene
Mendel's Principle of Segregation
DNA
Fossil
Gene mutation
41. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
Balanced Polymorphism
embryological evidence
Hybrid Infertility
Molecular biology
42. How often a particular gene occurs in the population
Gene frequency
nucleotide
Sub - species
Analogous Structures (analogies)
43. Form of reproductive isolation in which tere are differences in species courtship behavior
Behavioral (ethological) Isolation
Extinction
Chromosomes
Analogous Features
44. Another term for pure breeding
Gene mutation
Homozygous
False RNA
Heterozygote
45. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
Clade
trace fossils
DNA fingerprint
watson and crick
46. Name for oism with one dominant and one recessive allele
Heterozygous
Histone
Bottleneck Effect
amino acid
47. Any agent that can cause a change in DNA
Selection pressure
Fitness
Paleozoic era
Mutagen
48. Group of individuals of the same species that live in the same area
DNA fingerprint
Population
Natural Selection
Genotype
49. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
Adenine
Genotype
RNA polymerase
Chiasma
50. Determined the complete double helical structure of DNA
mutation
Duplication
watson and crick
Molecular biology