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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. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
Mate Selection
Nucleotide
Somatic
nucleotides
2. A group of organisms of the same species occupying a given area.
thymine
Population
Behavioral (ethological) Isolation
Natural Selection
3. Because of base pairing in DNA the amount of
Ring Species
Bottleneck Effect
cytosine in DNA is about equal to the percentage of guanine molecules
Cenozoic era
4. Independent segregation of genes during the formation of gametes
Homologous pair
Selection
Independent assortment
trace fossils
5. Speciation which does not involve a period of geographical separation
Sympatric Speciation
Pentadactyl limb
3 nucleotides
index fossil
6. Form of reproductive isolation in which structural differences in the anatomy of reproductive organs prevent sperm transfer between individuals of different species
Niche
Mutation
Chromosome mutation
Mechanical (morphological) Isolation
7. Features that are superficially similar but have different modes of development
If you lose one then you will still have one to back you up.
Locus
deoxyribose and phosphate
Analogous Features
8. Which type of Rna functions as a blue print of the genetic code
Coevolution
Species
mRNA
Histone
9. 2 alleles for a character separate during the formation of gametes - so that each gamete only carriers one allele for each character
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10. Physical characteristics of an organism based on its genotype. e.g. Plant that has a genotype of TT will have a phenotype of Tall.
Homologous structures
Phenotype
Stabilising selection
Gene pool
11. Trait evolves overtime; NO common ancestry
analogous (Evolution Evidence)
Test Cross
introns
Dominant
12. What does DNA stand for...
trace fossils
deoxyribonucleic acid
Artificial selection
Behavioral (ethological) Isolation
13. 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
Reproductive Isolation
Meiosis
Homozygous
Natural Selection
14. 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
Comparative anatomy
Paleozoic era
Histone
Allopatric Speciation
15. The preserved remains or traces of an organism that lived in the past
Medel worked with _____
Germ
Centromere
Fossil
16. Disappearance of a species from all parts of its geographical range
Extinction
stop codon
introns
Genetic Drift
17. What happens during the process of translation
Adenine
mRNA
The cell uses information from mRNA to produce proteins
transcription
18. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Organic Evolution
Homologous Structures
Natural Selection
Hybrid Infertility
19. Dna moves during electrophoresis because of...
its negative charge
Chargaff
Igneous and metamorphic rock
Nucleotide
20. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
Duplication
index fossil
Testcross
Convergent Evolution
21. An organism that has characteristics resulting from chromosomal alteration. This is a result of crossing over of the chromosomes during Meiosis - mutations and random segregation.
mRNA
Variation
Locus
Homozygous
22. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Mate Selection
Ring Species
Homologous structures
NIche Isolation
23. The gradual changes in gene frequencies in a population due to random events
geologic time scale
Genetic Drift
Semi - conservative replication
Mutagen
24. Group of similar organisms that can breed and produce fertile offspring
Comparative anatomy
Histone
Artificial selection
Species
25. The independant evolution of similar traits - starting from a similar ancestral condition
Amber
restriction enzyme
Codon
Parallel Evolution
26. Different alleles for a gene
molecular evidence
Heterozygote
Mendel's Principle of Segregation
tRNA
27. T or F A cloned organism has the same proteins as another organism
Migration
Phenotype
False genes
rRNA
28. The banding pattern of a persons DNA after being cut and run on gel is called
Speciation
DNA fingerprint
Post -zygotic Mechanisms
Locus
29. Shows how the embryos of different groups resemble each other at particular stages. Similarities indicate groups may share a common ancestor
translation
Comparative embryology
Convergent Evolution
Homologous structures
30. Breeding organisms with specific traits in order to produce offspring with identical traits
tRNA
Speciation
anticodon
Artificial selection
31. Building block of a protein
Extinction
amino acid
Relative dating
Adaptive Radiation
32. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
nucleus
ribose - phosphate - and a base
Allopatric Speciation
trace fossils
33. 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.
Thymine
Mitosis
Selection
Adenine
34. Type of rock made from small pieces of other rocks and organisms pressed together. Source of fossil preservation. Limited radioactive or absolute dating potential.
Industrial Melanism
Natural Selection
Sedimentary Rock
Pre -zygotic Mechanisms
35. The final product of transcription is...
Polyploidy
mRNA
Heterozygous
Hybrid Inviability
36. The backbone of DNA consist of...
Precambrian era
Homologous pair
deoxyribose and phosphate
RNA polymerase
37. Recognize and cut DNA at specific sequences usually palindromes
Common Ancestor
Dominant
Incomplete Dominance
restriction enzyme
38. DNA that is coiled around proteins
hydrogen bonds
stop codon
Haploid/Monoploid
chromatin
39. Large - scale evolutionary changes that take place over long periods of time
Immigration
Comparative Embryology
Chromosomes
Macroevolution
40. Messenger RNA; type of RNA that carries instructions from DNA in the nucleus to the ribosome
mRNA
mutation
Sub - species
translation
41. The number of times an allele appears in a population
mRNA
Allele Frequency
Codon
body fossils
42. Movement of alleles into or out of a population due to the migration of individuals to or from the population
Genotype
DNA
Common Ancestor
Gene flow
43. When zygote does not complete development or is physically weaker than normal
Macroevolution
Recombination
Locus
Hybrid Inviability
44. Name for oism with one dominant and one recessive allele
False RNA
ribose - phosphate - and a base
analogous (Evolution Evidence)
Heterozygous
45. Even if the gametes of the two species meet - fertilization does not occur
Evolution
Gamete Isolation
Selection
three
46. Group of individuals of the same species that live in the same area
stop codon
Divergent Evolution
Population
Gene frequency
47. Consists of all genes - including all the different alleles - that are present in a population
Heterozygous
rRNA
Industrial Melanism
Gene pool
48. Natural selection that causes the frequency of a particular allele to move in one direction
tRNA
Directional Selection
introns
deoxyribonucleic acid
49. A taxon originating from and including a single common ancestor
Homozygous
Monophyletic
Fitness
Founder effect
50. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
Gene Flow
GATTACA
rRNA
Fossil