Essential Genetics: A Genomics Perspective, Fourth Edition: Practice Quizzes

Bears

Title Text: Essential Genetics: A Genomics Perspective, Fourth Edition, Daniel L. Hartl and Elizabeth W. Jones

Please read each question and select your answer from the choices provided. You must complete all of the questions in order to view your results. At the end of each exam, you have the option to e-mail your results to your instructor.

1: A diagram of the inferred ancestral history of a group of sequences is
	A: A lineage diagram
	B: A gene tree
	C: A species tree
	D: A gene map
	E: A fate tree

2: If in a population in Hardy-Weinberg equilibrium the frequency of homozygous recessive genotype is 0.58, then the approximate frequency of the dominant allele will be
	A: 0.12
	B: 0.24
	C: 0.44
	D: 0.88
	E: 0.98

3: The use of polymorphisms in DNA to link suspects with samples of human material is called
	A: DNA typing
	B: Molecular systematics
	C: Bootstrapping
	D: Hardy-Weinberg analysis
	E: Ames test

4: Frequency of any heterozygous genotype is
	A: product of allele frequencies
	B: product of squared allele frequencies
	C: 2 x product of allele frequencies
	D: 2 x sum of allele frequencies
	E: sum of allele frequencies

5: In a population in Hardy-Weinberg equilibrium, the frequency of the allele for a recessive trait is 0.03. What is the percentage of the population that is heterozygous for this allele?
	A: 0.03%
	B: 0.97%
	C: 2.91%
	D: 5.82%
	E: 11.64%

6: A common technique for assessing the reliability of a node in a gene tree is called
	A: Bootstrapping
	B: DNA typing
	C: Goodness of fit test
	D: Haldein mapping analysis
	E: Kosambi's test

7: A fitess of a sterile organism is
	A: 1
	B: 0.5
	C: 0.25
	D: 0
	E: Impossible to determine

8: In a population with two alleles, C and c, the frequency of c is 0.43. What would be the frequency of the heterozygotes, assuming Hardy-Weinberg equilibrium?
	A: 0.28
	B: 0.14
	C: 0.57
	D: 0.43
	E: 0.49

9: In higher animals, mitochondrial genes usually show
	A: Increased frequency of rare recessive alleles
	B: Nuclear inheritance
	C: Dominant inheritance
	D: Maternal inheritance
	E: Recessive inheritance

10: A trait due to a recessive X-linked allele in a large, randomly mating population affects one in twenty males. What is the frequency of affected females?
	A: one in twenty
	B: one in hundred
	C: one in four hundred
	D: one in six hundred
	E: one in eight hundred

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