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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. 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.
Founder effect
Sequential Evolution
that is complementary to a single strand of DNA
Mitosis
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
Evo Devo
Species
Fitness
Adenine
3. Another name for a gene
Genotype
Allele
Gamete Isolation
chromatin
4. The region of the chromosome that holds the two sister chromatids together during mitosis
Rosalind Franklin
Ice
Niche
Centromere
5. Determined the concept of complementary base pairing
restriction enzymes - sticky ends
Organic Evolution
Chargaff
Autosomes
6. Three dimensional shape of organism made from a mold. May be created with plaster or over time with minerals.
transcription
Analogous Structures (analogies)
Cast
deoxyribonucleic acid
7. Embryos of similar organisms have very similar early development indicating similar DNA at work
Sub - species
Selection pressure
three
Comparative Embryology
8. Process in which DNA is duplicated
replication
Sexual Selection
Environment
RNA polymerase
9. A process where the organisms that have traits that aid in its survival (adaptive traits) will reproduce to pass that trait to futher generations thus increasing the frequency of that trait in the population. Vice versa traits that reduce the chance
Dihybrid Cross
The cell uses information from mRNA to produce proteins
Natural Selection
Mate Selection
10. Is any chromosome that is not a sex chromosome.
Population
Autosomes
Environment
translation
11. Form of reproductive isolation in which structural differences in the anatomy of reproductive organs prevent sperm transfer between individuals of different species
amino acids
ribose - phosphate - and a base
Phenotype
Mechanical (morphological) Isolation
12. Recognize and cut DNA at specific sequences usually palindromes
Stabilising selection
Artificial selection
restriction enzyme
Nucleotide
13. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Migration
Duplication
Precambrian era
Character Displacement
14. A codon is made of...
Homologous pair
cytosine in DNA is about equal to the percentage of guanine molecules
homologous (Evolution Evidence)
3 nucleotides
15. A body cell
Extinction
Fossil
Adaptive Radiation
Somatic
16. The condition in which there is no change in allele frequencies from generation to generation (i.e. no evolution)
Sedimentary Rock
Genetic Equilibrium
Natural Selection
Semi - conservative replication
17. Separates DNA by size
Homologous structures
gel electrophoresis
Mitosis
Environment
18. 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
Igneous and metamorphic rock
Hershey and Chase
Guanine
Genetic Equilibrium
19. Transfer RNA; type of RNA that carries amino acids to the ribosome
deoxyribose and phosphate
tRNA
Selection
Cenozoic era
20. DNA that is coiled around proteins
chromatin
tRNA
Phyletic Gradualism (anagenesis)
homologous (Evolution Evidence)
21. Speciation which does not involve a period of geographical separation
Heterozygous
Sympatric Speciation
amino acid
Artificial selection
22. Cross where you cross unknown genotype with a recessive
Test Cross
Petrification
Clade
Hybrid Inviability
23. Any agent that can cause a change in DNA
Cytosine
Allele
Microevolution
Mutagen
24. A pairing where the parent plants differ in only one character.
Monohybrid Cross
restriction enzymes - sticky ends
index fossil
Stasis
25. Dna moves during electrophoresis because of...
DNA fingerprint
Genetic Equilibrium
its negative charge
deoxyribose and phosphate
26. Evolution of the earth - which is hypothesized to have been formed over 4.6 billion years ago.
Sedimentary Rock
true
Reproductive Isolation
Geologic Evolution
27. One of the identical rods of a chromosome.
Chromatid
Autosomes
Character Displacement
Heritable variation
28. Evolutionary process in which a species or related species folllow different evolutionary paths to eventually become less related
Disruptive Selection
Precambrian era
body fossils
Divergent Evolution
29. Organ that serves no useful function in an organism
Paleozoic era
Divergent Evolution
Vestigial organs
3 nucleotides
30. process in which homologous chromosomes exchange portions of their chromatids during meiosis.
DNA fingerprint
Crossing over
Heterozygous
GATTACA
31. Features that are superficially similar but have different modes of development
Medel worked with _____
Reproductive Isolation
Analogous Features
The cell uses information from mRNA to produce proteins
32. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
Phylogeny
Chromatid
trace fossils
Comparative anatomy
33. The adaptive increase in pigmentation as a result of human - induced pollutants
Industrial Melanism
Translocation
Comparative Embryology
Nucleotide
34. Selection for the ability to obtain a mate
Sexual Selection
Gene frequency
Selection
Speciation
35. The study of the past and present distribution of species.
Chargaff
Biogeography
Chromosomes
Translocation
36. Process by which one species gives rise to two or more species
Speciation
codon
Hybrid Infertility
Habitat
37. A change or error in the DNA sequence
Test Cross
thymine
Hybrid Inviability
mutation
38. 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
Homologous structures
Natural Selection
Immigration
39. What happens during the process of translation
Directional Selection
vestigial (Evolution Evidence)
Nucleotide
The cell uses information from mRNA to produce proteins
40. Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
codon
Species
Crossing over
Natural Selection
41. Chromosomes are collections of many
Punnett Square
genes
thymine
rRNA
42. Movement of organisms ro of from a population
Codon
Migration
Coevolution
Species
43. The gradual changes in gene frequencies in a population due to random events
Adaptation
Semi - conservative replication
Variation
Genetic Drift
44. Mating of an individual of unknown genotype but dominant phenotype w/ a homozygous recessive individual
Testcross
False genes
Macroevolution
cytosine in DNA is about equal to the percentage of guanine molecules
45. The preserved remains or traces of an organism that lived in the past
Bottle neck effect
trace fossils
Analogous Structures (analogies)
Fossil
46. Visual expression of a trait
ribose - phosphate - and a base
clinC
Sub - species
Phenotype
47. When zygote does not complete development or is physically weaker than normal
Hybrid Inviability
Pentadactyl limb
Microevolution
Speciation
48. 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.
Fossils
Phenotype
Locus
Dominant
49. The formation of new species as a result of evolution
Double Helix
Species
Clade
Speciation
50. Change to a chromosome in which part of the chromosome is repeated
Cytosine
Genetic Drift
Double Helix
Duplication