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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 copy of a gene is made during a process called this
Gametic
Comparative anatomy
ribose - phosphate - and a base
transcription
2. The study relating the evolution of new charateristics to changes in the genes controlling development
nucleus
Deletion
Punctuated Equilibrium
Evo Devo
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
anticodon
geologic time scale
Adenine
Balanced Polymorphism
4. The signal on a mRNA molecule that designates the end of the coding sequence is called the...
stop codon
Testcross
Relative dating
Speciation
5. A group of organisms of the same species occupying a given area.
RNA polymerase
Chromosome mutation
Allopatric Speciation
Population
6. Another term for pure breeding
deoxyribose and phosphate
Translocation
Natural Selection
Homozygous
7. 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
transcription
Hershey and Chase
Mate Selection
Stasis
8. Is active during transcription
ribose - phosphate - and a base
RNA polymerase
nucleus
Gene Pool
9. The study of the past and present distribution of species.
Allele
Dihybrid
Directional Selection
Biogeography
10. Condition in which an organism has extra sets of chromosomes
Polyploidy
Medel worked with _____
Adenine
Dihybrid
11. Transfer RNA; type of RNA that carries amino acids to the ribosome
Dominant
mutation
RNA polymerase
tRNA
12. Recognize and cut DNA at specific sequences usually palindromes
cytoplasm
Gene Pool
restriction enzyme
Hybrid Infertility
13. The number of times an allele appears in a population
Analogous Features
Heterozygote
Homozygote
Allele Frequency
14. Building block of a protein
Organic Evolution
Hybrid Breakdown
Mitosis
amino acid
15. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
mutation
Homologous Structures
Evolution
Independent assortment
16. Pea plants
replication
Behavioral (ethological) Isolation
Test Cross
Medel worked with _____
17. Which structure contains anticodons
Monohybrid
tRNA
ribose - phosphate - and a base
transcription
18. Three mRNA nucleotides that code for a specific amino acid
genes
codon
Dominant
Species
19. How many codons are needed to specify three amino acids
Behavioral (ethological) Isolation
Codon
cytosine in DNA is about equal to the percentage of guanine molecules
three
20. When zygote does not complete development or is physically weaker than normal
Biogeography
Pentadactyl limb
Hybrid Inviability
Cytosine
21. It means chromosomes are paired. One of each chromosome in a pair originates from the father and one from the mother. They affect the same trait - but don't necessarily cause the same expression of the trait.
Recombination
Adenine
Homologous pair
Species
22. Speciation preceded by a period of geographical isolation
rRNA
Directional Selection
RNA polymerase
Allopatric Speciation
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
Meiosis
translation
Phyletic Gradualism (anagenesis)
anticodon
24. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
GATTACA
DNA fingerprint
introns
If you lose one then you will still have one to back you up.
25. The preserved remains or traces of an organism that lived in the past
anticodon
Mutagen
Fossil
Adenine
26. Form of reproductive isolation in which tere are differences in species courtship behavior
Artificial selection
Clade
Behavioral (ethological) Isolation
Dihybrid Cross
27. DNA is made of...
Hybrid Breakdown
analogous (Evolution Evidence)
nucleotides
Amber
28. The individuals choice of which mate they will choose. The choice is dependant on what traits the individual finds attractive. e.g some people will want their mates to be smart or pretty.
anticodon
Meiosis
introns
Mate Selection
29. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic
Genetic Drift
Genetic Drift
geologic time scale
Population
30. A trait that masks the expression of another trait
Dominant
Sexual Selection
amino acids
Substitution
31. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Ring Species
Heritable variation
NIche Isolation
cytoplasm
32. Messenger RNA; type of RNA that carries instructions from DNA in the nucleus to the ribosome
Artificial selection
mRNA
true
Guanine
33. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
Character Displacement
trace fossils
Nucleotide
Stasis
34. Visual expression of a trait
Hybrid Inviability
Natural Selection
Bottleneck Effect
Phenotype
35. Mutation where an extra base is added
Paleozoic era
Insertion
3 nucleotides
Mendel's Principle of Segregation
36. Type of sympatric speciation that occurs when a new species is formed because of a change in microhabitats
Cenozoic era
Meiosis
rRNA
NIche Isolation
37. The gradual changes in gene frequencies in a population due to random events
Dihybrid Cross
Medel worked with _____
Adaptation
Genetic Drift
38. Evolution resulting from small specific genetic changes that can lead to a new subspecies
Genetic Equilibrium
Thymine
Medel worked with _____
Microevolution
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.
False genes
Adenine
The cell uses information from mRNA to produce proteins
Homozygous
40. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
Fossil
Evolution
Allele
Directional Selection
41. The environmental factors that favour certain phenotypes
Selection pressure
Hominid
Biogeography
Diploid
42. Breeding organisms with specific traits in order to produce offspring with identical traits
Germ
Artificial selection
Gene mutation
Evolution
43. A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
Histone
Phenotype
Gamete Isolation
Fitness
44. The condition in which there is no change in allele frequencies from generation to generation (i.e. no evolution)
Heterozygous
Stasis
Genetic Equilibrium
Nucleotide
45. Reciprocal evolution in two species as a result of the selection pressure each imposes upon the other
Genetic Equilibrium
Coevolution
Amber
deoxyribonucleic acid
46. Is a trait that is more expressed than another trait. Is written in capital letters for Genotype. E.g Tall genotype is TT or Tt where T is the allele for tall trait and t is the trait for small. T will be expressed more.
Histone
Dominant
Amber
Centromere
47. A geographic gradient in the extent to which a character is developed in a species
Natural Selection
Recombination
clinC
Environment
48. process in which homologous chromosomes exchange portions of their chromatids during meiosis.
Rosalind Franklin
introns
Crossing over
Monohybrid
49. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
Centromere
Chiasma
Codon
Natural Selection
50. Individual that is heterozygous for two traits; shows the phenotype governed by the dominant alleles but carries the recessive alleles
genes
Dihybrid
Coevolution
Duplication