Site MapHelpFeedbackChapter Quiz
Chapter Quiz
(See related pages)





1Define evolution.


2A mutation changes the genetic message of a cell.
A)True
B)False


3Who is credited for formulation the theory of evolution?


4The tendency to produce more offspring than competing individuals, and therefore contribute more genes to the next generation, is called ________.


5Define natural selection.


6


heterozygous
7


gene
8


allele
9


homozygous
10


dominant allele
11


recessive allele
Answer choices:
A)a unit of hereditary on a chromosome
B)a genotype consisting of the same two alleles at a locus
C)allele that masks the expression of other alleles but are themselves expressed
D)a genotype consisting of two different alleles at a locus
E)an alternate state of a gene
F)allele whose expression is masked by dominant alleles


12________ is the proportion of individuals in a certain category relative to the total number of individuals considered.


13The ________ Principle enables us to calculate and predict allelic and genotype frequencies.


14List the Hardy-Weinberg Principle equations.


15


p
16


q
17


p2
18


q2
19


2pq
Answer choices:
A)homozygous recessive genotype
B)the frequency of the recessive allele
C)heterozygous genotype
D)homozygous dominant genotype
E)the frequency of the dominant allele


20List three assumptions of the Hardy-Weinberg Principle.


21Circle the correct answer. In positive / negative selection genotypes representing non-adaptive traits in an environment decrease in frequency because their bearers are less likely to survive and reproduce.


22List two selection pressures not described in your manual.


23In the procedures involving the Hardy-Weinberg Principle, what does an individual bead represent?
A)generation
B)genotype
C)allele
D)individual


24The procedure examining the evolution of green algae compares changes in ________.
A)chloroplast arrangement
B)number of flagella
C)rate of photosynthesis
D)colony complexity





To learn more about the book this website supports, please visit its Information Center.
(c)2011 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Notice.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.


Biology Laboratory ManualOnline Learning Center

Home > Chapter 18 > Chapter Quiz