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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. Predicts the possible outcome of a genetic cross.
Punnett Square
Relative dating
Bottleneck Effect
that is complementary to a single strand of DNA
2. Gene
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3. A limb with five digits (fingers)
Diploid
Pentadactyl limb
Heterozygous
Gene mutation
4. When competition causes two closely related species to become more different in regions where their ranges overlap
Character Displacement
Bottle neck effect
Founder effect
anticodon
5. Name for oism with one dominant and one recessive allele
Directional Selection
Mendel's Principle of Segregation
Geologic Evolution
Heterozygous
6. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
Bottle neck effect
Phenotype
Incomplete Dominance
Sex Chromosomes
7. A model for the evolution of different froms over a long period of time but with only slight chchanges occring between successive generations
Sympatric Speciation
Phyletic Gradualism (anagenesis)
Industrial Melanism
Fossil
8. 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.
Recessive
Gene Pool
ribose - phosphate - and a base
Microevolution
9. The offspring of a cross between two inbred lines within a single species. May also refer to the offspring of across between two species
Germ
Autosomes
False genes
Hybrid
10. How often a particular gene occurs in the population
Mutation
Gene frequency
Pentadactyl limb
rRNA
11. Selection acting against the middle of a range of variation
Disruptive Selection
Organic Evolution
Heterozygous
Chromosomes
12. Evolution resulting from small specific genetic changes that can lead to a new subspecies
Incomplete Dominance
Microevolution
amino acids
Relative dating
13. Genes contain instructions for assembling
cytoplasm
Insertion
Character Displacement
proteins
14. An episode of large - scale extinction affecting many different groups of organisms within a short period of time
Mass Extinction
gel electrophoresis
False genes
Hybrid
15. Breeding organisms with specific traits in order to produce offspring with identical traits
thymine
Artificial selection
Environment
deoxyribose and phosphate
16. 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.
mRNA
Homozygous
Behavioral (ethological) Isolation
ribose - phosphate - and a base
17. Building block of a nucleic acid (DNA and RNA)
Common Ancestor
nucleotide
Monophyletic
Insertion
18. Era of recent life that began about 66 million years ago and continues today; includes the first appearance Hominids
Speciation
Mutation
The cell uses information from mRNA to produce proteins
Cenozoic era
19. 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
Mendel's Principle of Segregation
Artificial selection
body fossils
20. Process by which one species gives rise to two or more species
Mesozoic era
Heterozygous
restriction enzymes - sticky ends
Speciation
21. Change in allele frequencies as a result of the migration of a small subgroup of a population
Founder Effect
mutation
Adaptation
rRNA
22. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
Adenine
hydrogen bonds
trace fossils
amino acids
23. All the factors in an organism's surroundings that can potentially affect it
mRNA
Phenotype
Environment
Gene Pool
24. Found only in that country
rRNA
Gene flow
Fossils
Endemic
25. Hybrid is sterile so biologically unfit
Hybrid Infertility
Endemic
Molecular biology
Bottle neck effect
26. The preserved remains or traces of an organism that lived in the past
mRNA
Molecular biology
Analogous structures
Fossil
27. Chromosomes are collections of many
Directional Selection
Deme
Character Displacement
genes
28. The study relating the evolution of new charateristics to changes in the genes controlling development
ribose - phosphate - and a base
codon
Sedimentary Rock
Evo Devo
29. The independant evolution of similar traits - starting from a similar ancestral condition
Character Displacement
Mold
Dominant
Parallel Evolution
30. DNA that is coiled around proteins
chromatin
Chromatid
mRNA
Codon
31. A group of organisms of the same species occupying a given area.
Behavioral (ethological) Isolation
Population
Mesozoic era
restriction enzymes - sticky ends
32. Closely related species occupying different habitats - niches preventing them from interbreeding
Ecological Barrier
Gene flow
Gene pool
Igneous and metamorphic rock
33. Threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next
Chromosomes
If you lose one then you will still have one to back you up.
Dominant
Endemic
34. A geographic gradient in the extent to which a character is developed in a species
clinC
Phenotype
Geologic Evolution
that is complementary to a single strand of DNA
35. You mate the unknown genotype with an organism showing the recessive trait. If any of the offspring show the recessive trait - the original unknown parent was heterozygous. If no recessive trats show up - the original parent was homozygous.
Hybrid Breakdown
Gamete Isolation
hydrogen bonds
Test Cross
36. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration
Gene Pool
deoxyribonucleic acid
Population
Molecular biology
37. Features that are superficially similar but have different modes of development
Hybrid
Directional Selection
The cell uses information from mRNA to produce proteins
Analogous Features
38. Recognize and cut DNA at specific sequences usually palindromes
rRNA
Monohybrid Cross
restriction enzyme
translation
39. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
hydrogen bonds
Incomplete Dominance
Molecular biology
Mendel's Principle of Segregation
40. Ribosomal RNA; type of RNA that makes up part of the ribosome
rRNA
Polyploidy
Sexual Selection
Medel worked with _____
41. One of the identical rods of a chromosome.
Chromatid
Insertion
three
Environment
42. 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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43. A body cell
Somatic
Selection
Macroevolution
If you lose one then you will still have one to back you up.
44. process in which homologous chromosomes exchange portions of their chromatids during meiosis.
Monohybrid Cross
Crossing over
Bottle neck effect
Species
45. Periods of little adaptive change
Genotype
Stasis
Gene pool
Clade
46. Two alternative forms of a gene e.g Tall vs Short
Alleles
its negative charge
DNA fingerprint
Niche
47. Used x ray cyrstallography to create an image of DNA
Mold
Relative dating
GATTACA
Rosalind Franklin
48. A population partially isolated from other populations of the same species
Deme
Macroevolution
Fossil
Guanine
49. Independent segregation of genes during the formation of gametes
Gene pool
Independent assortment
Alleles
Chromosome mutation
50. Organ that serves no useful function in an organism
Coevolution
Gametic
thymine
Vestigial organs