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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. A pairing where the parent plants differ in only one character.
Homologous structures
Monohybrid
Monohybrid Cross
Homozygous
2. A distinct population of a species that varies from other populations of the same species.
Phenotype
Sub - species
amino acids
Hybrid Infertility
3. An equilibrium in the occurence of two or more different froms within the same population usually caused by different allele combiinations of a gene
body fossils
Monohybrid
Balanced Polymorphism
Sedimentary Rock
4. The gradual changes in gene frequencies in a population due to random events
Genome
Genetic Drift
Meiosis
Translocation
5. Transfer RNA; type of RNA that carries amino acids to the ribosome
tRNA
Behavioral (ethological) Isolation
GATTACA
vestigial (Evolution Evidence)
6. Human - like species that existed millions of years ago as witnessed through fossil evidence.
Hominid
Deme
Heterozygote
Natural Selection
7. 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
GATTACA
Meiosis
Cytosine
Independent assortment
8. Three mRNA nucleotides that code for a specific amino acid
Founder Effect
Hybrid
mRNA
codon
9. Separates DNA by size
proteins
gel electrophoresis
Mutation
Dominant
10. Speciation preceded by a period of geographical isolation
rRNA
Evolution
Coevolution
Allopatric Speciation
11. 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.
Divergent Evolution
Geographical Isolation
Homozygote
Gene
12. Speciation which does not involve a period of geographical separation
Mendel's traits are now called _____ found on DNA
Sympatric Speciation
Speciation
Stabilising
13. 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.
Phylogeny
Petrification
Translocation
Chromosome mutation
14. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
tRNA
Amber
Gene
true
15. The independant evolution of similar traits - starting from a similar ancestral condition
nucleotides
Fossil
Heterozygote
Parallel Evolution
16. Dna moves during electrophoresis because of...
Population
its negative charge
Comparative Anatomy
Sub - species
17. Structure present in an organism however does NOT have a known function. May link organisms with similar vestigial structures. Example: appendix - coccyx bone - whale leg bones.
Vestigial structure
Adenine
Artificial selection
Sub - species
18. Selection acting against the middle of a range of variation
Disruptive Selection
Selection
Absolute dating
Bottle neck effect
19. How often a form of a gene appears in a gene pool
Thymine
Allele
Allele Frequency
Double Helix
20. Form of reproductive isolation in which two populations reproduce at different times
Heterozygote
Heterozygous
Allele Frequency
Temporal Isolation
21. 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
Endemic
Genetic Drift
Paleozoic era
Migration
22. A nucleotide of RNA is made of...
mutation
Disruptive Selection
Absolute dating
ribose - phosphate - and a base
23. Organisms with a similar underlying structure - but different function. Example: bird - bat and dolphin 'arm'. Shows a common ancestral link.
thymine
Homologous structures
Cytosine
Comparative Embryology
24. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
Hershey and Chase
Incomplete Dominance
ribose - phosphate - and a base
Analogous Features
25. Selection against one end of a range of variation - resulting in a progressive change in allele frequency
Petrification
Directional Selection
Incomplete Dominance
Genetic Equilibrium
26. Physical characteristics of an organism based on its genotype. e.g. Plant that has a genotype of TT will have a phenotype of Tall.
Phenotype
Evo Devo
Haploid/Monoploid
Post -zygotic Mechanisms
27. T or F a codon consist of three nucleotides
Adaptive Radiation
Ring Species
true
Pre -zygotic Mechanisms
28. Change in allele frequencies as a result of the migration of a small subgroup of a population
Founder Effect
Test Cross
analogous (Evolution Evidence)
Analogous Features
29. Organism is preserved at very low temperatures. Preservation of both hard and soft parts can occur.
Ecological (habitat) Isolation
Ice
Monophyletic
Gene pool
30. 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.
Homozygous
Rosalind Franklin
Alleles
Hershey and Chase
31. The inherited characteristic often masked by the dominant characteristic and not seen in an organism. e.g. Tt plant will still be tall. Where T is the dominant trait for tall and t is the recessive trait for small.
Mechanical (morphological) Isolation
Comparative Anatomy
Recessive
Phyletic Gradualism (anagenesis)
32. Different alleles for a gene
homologous (Evolution Evidence)
Heterozygote
Independent assortment
index fossil
33. Situation in which allele frequencies remain constant
Vestigial structure
Genetic Equilibrium
its negative charge
thymine
34. Used radioactive sulfur and radioactive phosphorus to determine that DNA is the genetic material - by demonstrating that it is DNA that is injected by bacteriophages into bacterial cells during infection
Sexual Selection
Hershey and Chase
restriction enzymes - sticky ends
polypeptide
35. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
Nucleotide
Reproductive Isolation
genes
Duplication
36. A genetic crosses that involve one trait. e.g TT plant crossed with tt plant has offspring who are heterozygous Tt.
Substitution
Monohybrid
The cell uses information from mRNA to produce proteins
Adaptive Radiation
37. Three dimensional shape of organism made from a mold. May be created with plaster or over time with minerals.
Natural Selection
Mate Selection
three
Cast
38. T or F If a nucleic acid contain uracil it is DNA
Double Helix
tRNA
False RNA
Mitosis
39. Building block of a nucleic acid (DNA and RNA)
index fossil
proteins
nucleotide
Sexual Selection
40. Are noncoding sequences in the gene that are removed from RNA after transcription
introns
Directional Selection
Cenozoic era
Recombination
41. Recognize and cut DNA at specific sequences usually palindromes
Relative dating
restriction enzyme
Amber
Microevolution
42. 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.
Punnett Square
Heterozygous
Reproductive Isolation
deoxyribose and phosphate
43. Natural selection that causes the frequency of a particular allele to move in one direction
Gene Pool
Monophyletic
analogous (Evolution Evidence)
Directional Selection
44. When zygote does not complete development or is physically weaker than normal
replication
If you lose one then you will still have one to back you up.
Paleozoic era
Hybrid Inviability
45. Even if the gametes of the two species meet - fertilization does not occur
Selection
Species
Gamete Isolation
Test Cross
46. Found only in that country
Endemic
trace fossils
Codon
Paleozoic era
47. A change in the base sequence of a gene
Gene mutation
Genetic Equilibrium
Phyletic Gradualism (anagenesis)
genes
48. The movement of genes between populations as a result of mating of migration
3 nucleotides
Comparative Embryology
Gene Flow
Cenozoic era
49. Change in a DNA sequence that affects genetic information
Sympatric Speciation
Mutation
Artificial selection
Somatic
50. A codon is made of...
Habitat
transcription
3 nucleotides
Geographical Isolation