bio. Anthropology – Flashcards
Unlock all answers in this set
Unlock answersquestion
Charles Darwin is know for his scientific voyages to the
answer
Galapagos Islands
question
Jean-Baptiste Lamarck's theory of evolution was based on
answer
the inheritance of acquired characteristics
question
the steps of the scientific method, in proper order, are:
answer
Hypothesis-Experimentation-Data collection-Supporting or refuting hypothesis
question
Anglican Archbishop James Ussher claim;ed to have established the origin of the Earth as
answer
Sunday, 23 October, 4004 BC
question
George Culvier, a famous French anatomist and fossil expert, explained the different fossil creatures found in different layers of the Earth as a result of
answer
the result of a series of catastrophic event when life was destroyed and replaced by more complex forms
question
James Hutton and Charles Lyell both advocated the principle of uniformitarianism, which stated that
answer
the process that shaped the Earth in the past are the same as those operating today
question
Darwin's slow, deliberate process of preparing to publish his new theory was interrupted by his receiving a body of research work stating virtually the same principles, done by
answer
Alfred Russell Wallace
question
According to the Theory of Evolution by Means of Natural Selection, the key concept in understanding how evolution is:
answer
*All of these are basic concepts in Darwin's theory: -members of a species produce more offspring than will survive and reproduce successfully - characteristics which are advantageous will be more common in succeeding generations -some variations are better adapted to reproduce in the environment -members of a species show variation (not all are exactly the same )
question
During Darwin's voyages, he performed detail studies of variation and similarity among species of which animal?
answer
Finches in the Galapagos
question
According to Darwin, the differences between "artificial" selection, or selective breeding and natural selection is that
answer
natural selection is a result of random processes, while artificial selection is done with a goal in mind (i.e. increasing milk production in cows)
question
scientist working on genetic therapies for diseases are working in which genetic field?
answer
molecular genetics
question
Classical or Mendelian genetics involves the study of:
answer
pedigrees of related individuals
question
Behavioral genetics is the study of how:
answer
genetics influence behavior
question
Which of the following is an example of multicultural organism?
answer
Worms
question
a single-celled organism with a nucleus is an example of a:
answer
eukaryote
question
Somatic cells ______
answer
are the cells of the body that are not gametes
question
tissues are comprised of:
answer
somatic cells
question
Mitochondria have their own DNA separate from that within the cell's nucleus. T/F
answer
True
question
Hormones, antibodies, and hemoglobin are all:
answer
proteins
question
Proteins are comprised of long chains of:
answer
amino acids
question
An individual who is homozygous for a gene has
answer
two of the same alleles for that gene
question
Two identical daughter cells result from which process?
answer
mitosis
question
Meiosis results in:
answer
****=(all of these)**** *gametes *haploid cells *sex cells
question
what is the diploid number of human chromosomes?
answer
46
question
the ancient DNA studied is usually mtDNA because mtDNA:
answer
is so abundant
question
structural genes___
answer
****=(All of these)**** -may be similar across species -are surrounded by regulatory regions -contain information to make proteins
question
in some cases, the ____ interacts with factors in the environment to create a ____
answer
genotype, phenotype
question
which of the following best defines the term genotype?
answer
the actual alleles an organism carries
question
the observable physical features of an organism comprise its:
answer
phenotype
question
A recessive allele_____
answer
needs to be present on both chromosomes to be expressed
question
An allele that needs to be present on only one chromosomal locus to be expressed is called a:
answer
dominant
question
which of the following best describes Mendel's Law of Segregation?
answer
Chromosomes randomly segregate into sex cells
question
Mendel's Law of Independent Assortment indicates that:
answer
segregating pairs of unit factors assort independently
question
mutation during meiosis are especially important because they:
answer
are inherited
question
A point mutation occurs when ____ is changed
answer
a single base in a gene
question
which of the following is true of sickle cell disease?
answer
=(all of these) -it damages the spleen -it shortens the life span of red blood cells -it causes blood cells to clump together in small blood vessels
question
the vast majority of mutations are probably:
answer
neutral
question
Mutations often have little phenotypic effect because:
answer
****=(all of these)**** -codon changes are often insignificant -they often occur in non-coding regions -proteins can withstand minor amino acids variations
question
The _____ chromosome is larger
answer
X
question
traits that occur as a continuum in a population are likely due to
answer
polygenic inheritance
question
where do new variations come from?
answer
****=(all of these)**** -point mutation -changes in the genetic material -chromosomal mutaions
question
Evolution by natural selection works directly on ____, transforming _____
answer
individuals, populations
question
The process of stabilizing selection results in:
answer
keeping a population uniform
question
when populations migrate, their genes' are experiencing:
answer
gene flow
question
a change in the frequency of a gene in a population over time due to entirely random factors is called:
answer
genetic drift
question
the difference in size, shape, or color between the sexes within a species is referred to as:
answer
sexual dimorphism
question
features that are homologous are similar due to:
answer
shared evolutionary history
question
parallel evolution results in:
answer
analogous traits
question
organisms are composed on both ancestral and derived characters. T/F
answer
True
question
A species' derived characters are:
answer
what distinguishes it from other related species
question
A scientist working mostly with fossils is likely to use which species concept?
answer
evolutionary
question
Recent genetic studies of gorillas have revealed
answer
a surprising amount of genetic diversity
question
geography separation is an important factor in ___ speciation
answer
allopatric
question
Gradualism asserts that:
answer
species slowly transform into other species
question
Macroevolution and punctuated equilibrium help explain
answer
gradualism
question
Which of the following best defines anthropology?
answer
the study of humankind in all its forms
question
According to biological anthropology, humans are primates and are the products of millions of years of evolution by natural selection.
answer
True
question
The study of the skeleton is known as
answer
Osteology
question
A paleoanthropologist is likely to study:
answer
the fossil remains of humankind and its ancestors
question
Forensic anthropologists study:
answer
the identification of skeletal remains and the means by which individuals have died
question
Which of the following species were not used as examples by Charles Darwin in his discussions of natural selection?
answer
Giraffes
question
Which of the following areas of study have contributed to the modern, or Synthetic Theory of Evolution?
answer
****(All of these)**** -DNA research -Genetics -Taxonomy
question
Gregor Mendel, the "Father of Genetics," studied which organisms in his famous breeding experiments?
answer
Garden peas
question
Classical geneticists focus more on __________ than __________.
answer
traits, molecules
question
The basic building block of life is the __________.
answer
cell
question
The __________ are directly involved in reproduction
answer
gametes
question
In most eukaryotic cells, the most prominent structure is the
answer
nucleus
question
The two main functions of DNA are
answer
protein synthesis and cell reproduction
question
Mitochondria have their own DNA separate from that within the cell's nucleus
answer
True
question
Virtually every cell of the body contains the same copy of DNA.
answer
True
question
Permanent changes in the DNA of a cell are called mutations.
answer
True
question
An individual who is homozygous for a gene has
answer
two of the same alleles for that gene
question
In some cases, the __________ interacts with factors in the environment to create a __________
answer
genotype, phenotype
question
Which of the following best defines the term genotype?
answer
the actual alleles an organism carries
question
The observable physical features of an organism comprise its
answer
phenotype
question
An allele that needs to be present on only one chromosomal locus to be expressed is called a _________ allele
answer
dominant
question
Mutations during meiosis are especially important because they
answer
are inherited
question
Genetic mutations can never be good
answer
False
question
Females are usually only carriers of X-linked disorders
answer
True
question
Traits that occur as a continuum in a population are likely to be due to
answer
polygenic inheritance
question
Natural selection works on the __________ of an individual organism
answer
phenotype
question
When populations migrate, their genes are experiencing
answer
gene flow
question
A change in the frequency of a gene in a population over time due to entirely random factors is called
answer
genetic drift
question
Which of the following best defines the concept of analogous traits?
answer
traits shared due to convergent evolution
question
Which of the following best defines the concept of ancestral characters?
answer
traits shared between species due to a shared evolutionary history