16294691
Descripción
Test por Catherine Ross, actualizado hace más de 1 año
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Creado por Catherine Ross
hace casi 6 años
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Pregunta 1
Pregunta
Mutation:
Respuesta
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a. any change in the genetic code.
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b. may involve a single incorrect base in a codon.
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c. must include a whole chromosome.
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d. a and b.
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e. a and c.
Pregunta 2
Pregunta
Darwin's Gradualism:
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a. involves slow and steady cumulative change.
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b. involves fairly sudden change.
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c. believed by Darwin to lead to new species.
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d. a and c.
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e. all of the above.
Pregunta 3
Pregunta
Which of the following is not a reproductive isolating mechanism:
Respuesta
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a. different pollinators.
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b. gamete isolation.
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c. natural selection.
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d. hybrid inviability.
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e. seasonal.
Pregunta 4
Pregunta
Gene flow results in:
Respuesta
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a. a new population drawn from a small sample of a parent population.
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b. the exchange of genes among populations through interbreeding..
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c. new genetic combinations in offspring.
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d. b and c.
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e. all of the above.
Pregunta 5
Pregunta
A genotype is:
Respuesta
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a. the chemical or physical results of genetic code.
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b. when the alleles of a pair are only expressed if the gene is homogeneous.
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c. the alleles possessed by an organism.
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d. all of the above.
Pregunta 6
Pregunta
The alleles possessed by an organism can come in three possible forms
Respuesta
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a. homozygous (TT, tt) and heterozygous (Tt)
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b. homozygous (Tt, tT) and heterozygous (TT)
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c. heterozygous (TT, tt) and homozygous (Tt)
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d. all of the above.
Pregunta 7
Pregunta
Gregor Mendel reached the conclusion that each organism possess
Respuesta
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a. two genes for each--trait one from each parent.
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b. genes can come in different versions today called alleles.
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c. some alleles are dominant and some are recessive.
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d. dominant and recessive have no value attached to them.
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e. all of the above.
Pregunta 8
Pregunta
The Processes of Evolution are
Respuesta
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a. natural selection.
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b. gene flow.
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c. genetic drift.
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d. founder effect.
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e. mutations.
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f. all of the above except d.
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g. none of the above.
Pregunta 9
Pregunta
Catastrophism:
Respuesta
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a. is the idea that history of the earth is explained by a series of global catastrophes, either natural, or of divine origin.
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b. it was an attempt to reconcile the evidence with a biblical time frame.
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c. the notion that there is an ideal, or essential, form of every natural entity and that the variations we see are largely inexact copies of the ideal.
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d. a and b.
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e. all of the above.
Pregunta 10
Pregunta
DNA
Respuesta
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a. is like a ladder with its ends twisted in opposite directions.
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b. has only four bases involved: adenine (A), thymine (T), cytosine (C), and guanine (G).
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c. shape is referred to as a double helix.
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d. all of the above.
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e. none of the above.
Pregunta 11
Pregunta
Variation is now known to be in the genetic makeup of populations.
Respuesta
- True
- False
Pregunta 12
Pregunta
Genetic drift is the exchange of genes among populations through interbreeding.
Respuesta
- True
- False
Pregunta 13
Pregunta
Mitosis is the process of cell division in which gametes are produced.
Respuesta
- True
- False
Pregunta 14
Pregunta
The idea of evolution is simple: species of living things change over time and under the right circumstances this change can produce new species of living organisms from existing ones.
Respuesta
- True
- False
Pregunta 15
Pregunta
DNA carries the genetic code that is found in the nucleus of cells, on long strands called chromosomes.
Respuesta
- True
- False
Pregunta 16
Pregunta
Fitness is the relative adaptiveness of an individual organism measured ultimately by reproductive success.
Respuesta
- True
- False
Pregunta 17
Pregunta
Natural selection works on the variation that is known to be in the genetic makeup of populations.
Respuesta
- True
- False
Pregunta 18
Pregunta
Gene flow is the exchange of genes among populations though interbreeding.
Respuesta
- True
- False
Pregunta 19
Pregunta
A scientist uses "The Scientific Method" which answers questions according to a special set of rules that involves a cycle of steps.
Respuesta
- True
- False
Pregunta 20
Pregunta
Adaptation is the state in which an organism is adjusted to and can survive in its environment through its physical traits and behaviors.
Respuesta
- True
- False
Pregunta 21
Pregunta
Phenotype is the chemical or physical results of genetic code.
Respuesta
- True
- False
Pregunta 22
Pregunta
Mendelian genetics showed that inheritance does not involve the blending of substances but, rather, are particulate.
Respuesta
- True
- False
Pregunta 23
Pregunta
An allele is an alternative form of a gene (one member of a pair) that is located at a specific position on a specific chromosome.
Respuesta
- True
- False
Pregunta 24
Pregunta
The great Chain of being is the notion that there is an ideal, or essential, form of every natural entity and that the variations we see are largely inexact copies of the ideal.
Respuesta
- True
- False
Pregunta 25
Pregunta
Uniformitarianism is the idea that present-day geological processes (normal, every day uniform process) can also explain the history of the earth.
Respuesta
- True
- False
Pregunta 26
Pregunta
Though Darwin work with pea plants the basic laws of genetics were derived.
Respuesta
- True
- False
Pregunta 27
Pregunta
The genetic code is a set of instructions for the production (or synthesis) of proteins from amino acids.
Respuesta
- True
- False
Pregunta 28
Pregunta
Charles Darwin reasoned, some alleles are dominant and some are recessive.
Respuesta
- True
- False
Pregunta 29
Pregunta
Natural selection is the differential reproduction of individuals based on the relative adaptive value of their traits.
Respuesta
- True
- False
Pregunta 30
Pregunta
Individuals tend to find mates within their own breeding populations.
Respuesta
- True
- False
Pregunta 31
Pregunta
Ecological isolation probably explains the origin of hominids, the group to which our species belongs.
Respuesta
- True
- False
Pregunta 32
Pregunta
Microevolution is the branching of new species from existing species.
Respuesta
- True
- False
Pregunta 33
Pregunta
All life, through speciation and adaptive radiation, is descended from a single origin.
Respuesta
- True
- False
Pregunta 34
Pregunta
In hybrid sterility fertilization may occur, but the hybrid zygotes do not survive.
Respuesta
- True
- False
Pregunta 35
Pregunta
The complex process of environmental factors, is solely responsible for the final form and function of a living being.
Respuesta
- True
- False
Pregunta 36
Pregunta
Evolutionary change is at its most basic level genetic change.
Respuesta
- True
- False
Pregunta 37
Pregunta
Macroevolution is the continuous transformation of a unitary population through time.
Respuesta
- True
- False
Pregunta 38
Pregunta
Sexual behaviors that attract one sex to the other are called courtship behaviors.
Respuesta
- True
- False
Pregunta 39
Pregunta
Genetic drift is mistakes in the genetic mechanism that add new variation to a species' gene pool.
Respuesta
- True
- False
Pregunta 40
Pregunta
There is nothing that can change what genes code for, except a change in the code itself, such a change is called a mutation.
Respuesta
- True
- False
Pregunta 41
Pregunta
Primates of the family hominidae include: modern humans, earlier humans subspecies, and their direct human ancestors.
Respuesta
- True
- False
Pregunta 42
Pregunta
Functionally similar but evolutionary unrelated traits are known as analogies.
Respuesta
- True
- False
Pregunta 43
Pregunta
This adaptation, called bipedalism (exhibited by modern apes), is a form of locomotion that involves placing the backs of the middle joints of the fingers on the ground.
Respuesta
- True
- False
Pregunta 44
Pregunta
Paranthropus is known to have spread far out of Africa and adapted to a wide range of temperate, tropical, and cold environments throughout Europe and Asia.
Respuesta
- True
- False
Pregunta 45
Pregunta
Homo habilis "wise person" is a recent, separate species.
Respuesta
- True
- False
Pregunta 46
Pregunta
Based on the mitochondrial DNA evidence, Homo nenderthalensis is though to be a direct ancestor to modern humans.
Respuesta
- True
- False
Pregunta 47
Pregunta
The fossil record indicates that an increase in brain size was the first hominid trait to evolve.
Respuesta
- True
- False
Pregunta 48
Pregunta
A taxonomy is a classification system based on similarities and differences.
Respuesta
- True
- False
Pregunta 49
Pregunta
Australopithecus had overall skeletal proportions much like those of modern humans.
Respuesta
- True
- False
Pregunta 50
Pregunta
Radiocarbon dating is a relative dating technique.
Respuesta
- True
- False
Pregunta 51
Pregunta
The early African hominids radiated into three distinct groups, often classified as separate genera Australopithecus, Paranthropus, and Homo.
Respuesta
- True
- False
Pregunta 52
Pregunta
Humans, chimpanzees, and bonobos have all adapted to different environmental niches.
Respuesta
- True
- False
Pregunta 53
Pregunta
Homo habilis is the fossil find commonly referred to as "Lucy".
Respuesta
- True
- False
Pregunta 54
Pregunta
The following is not an absolute dating technique:
Respuesta
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a. carbon 14
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b. potassium/ Argon
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c. stratigraphy
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d. all of the above
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e. a and b
Pregunta 55
Pregunta
The AR model hypothesizes that Homo sapiens
Respuesta
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a. evolved recently as a species.
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b. evolved in Africa
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c. spread to replace more archaic populations
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d. all of the above
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e. none of the above
Pregunta 56
Pregunta
The MRE origins model hypothesizes that Homo sapiens
Respuesta
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a. evolved
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b. evolved only in Africa
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c. all of the above
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d. none of the above
Pregunta 57
Pregunta
The common prehensile ability that modern humans exhibit and share with our close relatives
Respuesta
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a. is a shared derived characteristic,
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b. come from the same ancient ancestor and serves the same basic function.
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c. all of the above
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d. none of the above
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