Biology 1407 Exam questions and
answers graded A+
Knowledge of ONLY the value for___would be sufficient for the calculation of Hardy-Weinberg
expectation - ANS✅✅B. p
The principle of parsimony is the - ANS✅✅C. Best solution is likely the simplest solution
Which of the following was the common early criticism of Darwin's theory of natural selection? -
ANS✅✅A. It could not explain the genetic mechanism of heredity
Theory of evolution by natural selection proposed by - ANS✅✅Darwin and Wallace
An organism with 2 different alleles for a given gene is - ANS✅✅Heterozygous
Who first clearly defined the term "ecology" - ANS✅✅Haekel
Species recognized as always looking identical - ANS✅✅sibling
distinguished by the Criterion of reproductive isolation - ANS✅✅Biological
Species distinguished by unique combinations of alleles - ANS✅✅genetic
species that live separately in different geographic locations - ANS✅✅allopatric
species recognized as always looking different - ANS✅✅typological
Which of the following reproductive modes are sperm required? - ANS✅✅sexual
which of the following describes a species that totally avoids sexual reproduction and produces only
clones of off springs? - ANS✅✅modular
,each of the 64 individuals in a randomly collected sample of n=100 are "QQ" or "Qq." The remaining
36 are "qq." under Hardy-Weinberg assumptions, what is the frequency of the "Q" allele?
how many are heterozygous? - ANS✅✅.40
48
the solid crust of the earth is to be about how old? - ANS✅✅4.5 billion years old
species name is correctly written.. - ANS✅✅Homo sapiens
------- ---------
the lineage that led to to modern whales shows a change from 4-limbed animals to aquatic animals
with 2 limbs that function as flippers. this change is best explained by - ANS✅✅Natural selection
The 2 main types of cells - ANS✅✅Prokaryotes and Eukaryotes
which of these is common to ALL known forms of life - ANS✅✅the encoding of heritable genetic
info in DNA
Bacteria posses mitochondria. True or False? - ANS✅✅False
how does an idea achieve the status of a scientific theory? - ANS✅✅it generates testable
hypothesis, is supported by a large body of evidence, and is broad in scope.
The evolution of the swim bladder from the simple lung of ancestral fish is an example of -
ANS✅✅exaptation
Convergent evolution - ANS✅✅Homoplasy
Species whose geographic ranges are not in contact - ANS✅✅Allopatric
, Species whose geographic ranges do overlap - ANS✅✅Sympatric
A derived character state uniquely acquired by a single lineage - ANS✅✅autopomorphy
species diversity is greatest when - ANS✅✅many species are present and equally abundant
The smallest unit of life is the - ANS✅✅Cell
Random changes in allele frequencies that occur in small populations is called - ANS✅✅Genetic
drift
which of the following is not an assumption for Hardy- Weinberg law?
A. No neutral genes
B. Large population size
C no immigration
D. Random mating
E. All of the above are correct assumptions. - ANS✅✅A. No neutral genes
if "BB" and "Bb" mice are black, and "bb" mice are white, this relationship between genotype and
phenotype is - ANS✅✅complete dominance
Which of the following statements is
false?
a. Punctuated equilibrium is most likely to occur in
a small population that experiences a rapid
change in its environment.
b. Punctuated equilibrium is most likely to occur in
a large population that lives in a stable climate.
c. Gradual speciation is most likely to occur in
species that live in a stable climate.
d. Gradual speciation and punctuated equilibrium
both result in the evolution of new species. - ANS✅✅b.
answers graded A+
Knowledge of ONLY the value for___would be sufficient for the calculation of Hardy-Weinberg
expectation - ANS✅✅B. p
The principle of parsimony is the - ANS✅✅C. Best solution is likely the simplest solution
Which of the following was the common early criticism of Darwin's theory of natural selection? -
ANS✅✅A. It could not explain the genetic mechanism of heredity
Theory of evolution by natural selection proposed by - ANS✅✅Darwin and Wallace
An organism with 2 different alleles for a given gene is - ANS✅✅Heterozygous
Who first clearly defined the term "ecology" - ANS✅✅Haekel
Species recognized as always looking identical - ANS✅✅sibling
distinguished by the Criterion of reproductive isolation - ANS✅✅Biological
Species distinguished by unique combinations of alleles - ANS✅✅genetic
species that live separately in different geographic locations - ANS✅✅allopatric
species recognized as always looking different - ANS✅✅typological
Which of the following reproductive modes are sperm required? - ANS✅✅sexual
which of the following describes a species that totally avoids sexual reproduction and produces only
clones of off springs? - ANS✅✅modular
,each of the 64 individuals in a randomly collected sample of n=100 are "QQ" or "Qq." The remaining
36 are "qq." under Hardy-Weinberg assumptions, what is the frequency of the "Q" allele?
how many are heterozygous? - ANS✅✅.40
48
the solid crust of the earth is to be about how old? - ANS✅✅4.5 billion years old
species name is correctly written.. - ANS✅✅Homo sapiens
------- ---------
the lineage that led to to modern whales shows a change from 4-limbed animals to aquatic animals
with 2 limbs that function as flippers. this change is best explained by - ANS✅✅Natural selection
The 2 main types of cells - ANS✅✅Prokaryotes and Eukaryotes
which of these is common to ALL known forms of life - ANS✅✅the encoding of heritable genetic
info in DNA
Bacteria posses mitochondria. True or False? - ANS✅✅False
how does an idea achieve the status of a scientific theory? - ANS✅✅it generates testable
hypothesis, is supported by a large body of evidence, and is broad in scope.
The evolution of the swim bladder from the simple lung of ancestral fish is an example of -
ANS✅✅exaptation
Convergent evolution - ANS✅✅Homoplasy
Species whose geographic ranges are not in contact - ANS✅✅Allopatric
, Species whose geographic ranges do overlap - ANS✅✅Sympatric
A derived character state uniquely acquired by a single lineage - ANS✅✅autopomorphy
species diversity is greatest when - ANS✅✅many species are present and equally abundant
The smallest unit of life is the - ANS✅✅Cell
Random changes in allele frequencies that occur in small populations is called - ANS✅✅Genetic
drift
which of the following is not an assumption for Hardy- Weinberg law?
A. No neutral genes
B. Large population size
C no immigration
D. Random mating
E. All of the above are correct assumptions. - ANS✅✅A. No neutral genes
if "BB" and "Bb" mice are black, and "bb" mice are white, this relationship between genotype and
phenotype is - ANS✅✅complete dominance
Which of the following statements is
false?
a. Punctuated equilibrium is most likely to occur in
a small population that experiences a rapid
change in its environment.
b. Punctuated equilibrium is most likely to occur in
a large population that lives in a stable climate.
c. Gradual speciation is most likely to occur in
species that live in a stable climate.
d. Gradual speciation and punctuated equilibrium
both result in the evolution of new species. - ANS✅✅b.
