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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. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Chargaff
Semi - conservative replication
Comparative Anatomy
Precambrian era
2. Embryos of similar organisms have very similar early development indicating similar DNA at work
Evolution
Selection pressure
Comparative Embryology
mutation
3. The evolutionary history/geneology of a group of organisms (a tree thingy)
its negative charge
Sequential Evolution
Phylogeny
Adaptive Radiation
4. A genetic crosses that involve one trait. e.g TT plant crossed with tt plant has offspring who are heterozygous Tt.
Monohybrid
cytosine in DNA is about equal to the percentage of guanine molecules
Recessive
transcription
5. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
Vestigial organs
Heritable variation
mutation
Divergent Evolution
6. Periods of rapid evolution punctuated by periods of little change
If you lose one then you will still have one to back you up.
Punctuated Equilibrium
Extinction
Macroevolution
7. The specific location of a gene on a chromosome
Recessive
Stabilising
Chromatid
Locus
8. Different alleles for a gene
Heterozygote
Genotype
nucleotide
Dominant
9. Selection for the ability to obtain a mate
introns
Sex Chromosomes
Sexual Selection
deoxyribonucleic acid
10. Is the genetic makeup of an organism (TT or Tt) ; All the combinations of genes you have for a certain trait.
Genotype
Vestigial structure
Chromatid
Directional Selection
11. When F1 is fully fertile but F2 has low fertility (rice - cotton)
Independent assortment
Hybrid Breakdown
Deme
Cenozoic era
12. Translation occurs in the...
cytoplasm
Homologous pair
Relative dating
Species
13. Because of base pairing in DNA the amount of
Comparative Embryology
Chromosomes
cytosine in DNA is about equal to the percentage of guanine molecules
restriction enzyme
14. Organism is preserved at very low temperatures. Preservation of both hard and soft parts can occur.
Ice
Genetic Drift
Allele Frequency
Geographical Isolation
15. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
Insertion
Fossil
its negative charge
Incomplete Dominance
16. The adaptive increase in pigmentation as a result of human - induced pollutants
Paleozoic era
Evo Devo
Industrial Melanism
Behavioral (ethological) Isolation
17. Transfer RNA; type of RNA that carries amino acids to the ribosome
Mitosis
Evolution
tRNA
Directional Selection
18. T or F a codon consist of three nucleotides
stop codon
Geographical Isolation
true
Adenine
19. The reduction of a population - typically by a natural disaster - such that the surviving population is no longer genetically representative of the original population.
Recombination
False genes
Bottleneck Effect
Sex Chromosomes
20. 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
Mutation
False RNA
Semi - conservative replication
Meiosis
21. Group of similar organisms that can breed and produce fertile offspring
Species
Hershey and Chase
Cast
Allele Frequency
22. Name for oism with one dominant and one recessive allele
Medel worked with _____
three
Heterozygous
Hybrid Inviability
23. Any preserved remains of an organism from the past. Usually found in sedimentary rock.
Fossils
gel electrophoresis
Monohybrid Cross
Convergent Evolution
24. A trait that masks the expression of another trait
Comparative Anatomy
Dominant
Cast
Evolution
25. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic
Phenotype
Homologous pair
nucleotides
geologic time scale
26. Found only in that country
homologous (Evolution Evidence)
Endemic
Germ
Paleozoic era
27. Determined the complete double helical structure of DNA
embryological evidence
DNA
watson and crick
nucleotides
28. The complete genetic material contained in an individual
watson and crick
Vestigial organs
Genome
Locus
29. The evolutionary process by which a species becomes better suited to its niche.
Test Cross
Niche
Ring Species
Adaptation
30. Selection acting against the middle of a range of variation
Mutagen
transcription
Disruptive Selection
Molecular biology
31. A body cell
Genome
Somatic
true
Homozygote
32. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
Clade
Homologous Structures
Chromosomes
Mutation
33. 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
Mate Selection
replication
Hershey and Chase
ribose - phosphate - and a base
34. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration
Adaptation
Sequential Evolution
Gene Pool
Thymine
35. Similar embryological structures in different species - such as gill slits - may demonstrate that these species share a common ancestor.
embryological evidence
Monohybrid Cross
Comparative Anatomy
Genetic Drift
36. Human - like species that existed millions of years ago as witnessed through fossil evidence.
Gene pool
Industrial Melanism
genes
Hominid
37. An equilibrium in the occurence of two or more different froms within the same population usually caused by different allele combiinations of a gene
Insertion
Balanced Polymorphism
Histone
Isolating Mechanism
38. DNA is made of...
Reproductive Isolation
Substitution
nucleotides
Niche
39. Form of reproductive isolation in which two populations reproduce at different times
Temporal Isolation
true
Translocation
Natural Selection
40. Gradual evolution within a lineage
GATTACA
Sequential Evolution
Amber
Monohybrid
41. Building block of a protein
Ring Species
molecular evidence
watson and crick
amino acid
42. A fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found
Nucleotide
vestigial (Evolution Evidence)
Genotype
index fossil
43. The banding pattern of a persons DNA after being cut and run on gel is called
Hominid
DNA fingerprint
Gene Pool
mutation
44. Determined the concept of complementary base pairing
Crossing over
Dihybrid Cross
Chargaff
Adaptation
45. Group of individuals of the same species that live in the same area
Gene mutation
Centromere
Population
nucleotides
46. T or F A cloned organism has the same proteins as another organism
Gene pool
The cell uses information from mRNA to produce proteins
False genes
Amber
47. Large - scale evolutionary changes that take place over long periods of time
Macroevolution
Homologous Structures
Homozygous
true
48. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
RNA polymerase
Chiasma
nucleotides
False genes
49. Is any chromosome that is not a sex chromosome.
Autosomes
Gene mutation
Gene frequency
tRNA
50. Process by which an organism is slowly turned to stone as the body is replaced by minerals.
Duplication
Deme
Petrification
Homozygous