student Center | instructor Center | information Center | Home

	Suggestions For Research Paper
	Web Links


	Evolution
	Multiple Choice Quiz
	Essay Quiz
	Essential Study Partner
	Hardy-Weinberg Equilibrium
	Symmetry in Nature
	Hardy-Weinberg Equilibrium
	Types of Natural Selection
	Natural Selection
	Slctn Exprmnts Flowering Plant
	Raven/Johnson: Chapter 20

	Feedback Help Center

Biology Laboratory Manual, 6/e

Darrell S. Vodopich, Baylor University
Randy Moore, University of Minnesota--Minneapolis

Exercise 17 - Evolution

Choose the one answer that best answers the question.


1	An immediate change in the genetic information in a single cell is a ____.
		A)	mutation
		B)	allele
		C)	dominant allele
		D)	recessive allele


2	What is the best definition of evolution?
		A)	Genetic change in an individual.
		B)	Genetic change in a population over time.
		C)	The process by which humans came from monkeys.
		D)	The process by which acquired characteristics are passed down to offspring.


3	The portion of DNA that codes for a functional protein is called a ____.
		A)	allele
		B)	mutation
		C)	antigen
		D)	gene


4	If an allele is expressed in the phenotype while its homologous allele is not expressed, the first allele is said to be _____.
		A)	recessive
		B)	dominant
		C)	mutated
		D)	heterozygous


5	Which algal genus of the Volvocine line has the most cells in a mature colony?
		A)	Chlamydomonas
		B)	Gonium
		C)	Pandorina
		D)	Volvox


6	Which is the algal genus that carries the genetic information for cell division in three planes and forms a sheet of cells that is two cells thick?
		A)	Ulothrix
		B)	Stigeoclonium
		C)	Percursaria
		D)	Ulva


7	If the frequency for the recessive allele is 0.4, then what is the frequency of the homozygous recessive individuals?
		A)	0.6
		B)	0.36
		C)	0.16
		D)	0.4


8	If the frequency for the recessive allele is 0.4, then what is the frequency of the homozygous dominant individuals?
		A)	0.6
		B)	0.36
		C)	0.16
		D)	0.4


9	If the frequency for the recessive allele is 0.33, then what is the frequency of the dominant allele?
		A)	0.33
		B)	0.11
		C)	0.67
		D)	0.45


10	What is the definition of fitness?
		A)	The proportion of individuals in a certain category relative to the total number of individuals considered.
		B)	Genetic change in a population.
		C)	The differential reproduction of genotypes.
		D)	The tendency of an organism to produce more offspring than competing organisms.

2002 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Policy.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.