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 chromosome with its centromere close to one end is a
	A: Metacentric
	B: Acrocentric
	C: Holocentric
	D: Acentric

2: A chemical inhibitor of the formation of the mitotic spindle is
	A: Nitrous acid
	B: Ethyl metanesulfonate
	C: Nucleotide
	D: Colchicine
	E: Proflavin

3: The inversion, in which the centromere is not included in the inverted region, is known as a
	A: Paracentric
	B: Pericentric
	C: Robertsonian
	D: Acrocentric
	E: Duplication

4: 45, X0 is a condition known as
	A: Klinefelter syndrome
	B: Fragile X syndrome
	C: Down syndrome
	D: Prader-Willi Syndrome
	E: Turner syndrome

5: How many Barr bodies would be present in white blood cells of an individual of karyotype 48, XXXY?
	A: 0
	B: 1
	C: 2
	D: 3
	E: 4

6: The chromosome designation 2q refers to
	A: The long arm of chromosome 2
	B: A partial deletion of chromosome 2
	C: A specific band on chromosome 2
	D: An inversion on chromosome 2
	E: The short arm of chromosome 2

7: Trisomy 21, which occurs in about 1 in 750 live-born children, is known as
	A: Prader-Willi Syndrome
	B: Klinefelter syndrome
	C: Lesch-Nyhan syndrome
	D: Down syndrome
	E: Robertsonian syndrome

8: In the species of Chrysanthemum with 36 chromosomes, the haploid chromosome number is
	A: 9
	B: 18
	C: 27
	D: 36

9: An organism that is heterozygous for a reciprocal translocation is
	A: Fully firtile
	B: Sterile
	C: Semisterile
	D: Genetically unbalanced

10: Tandem duplications are able to produce even more copies of the duplicated region by means of a process called
	A: Endoreduplication
	B: Dosage compensation
	C: Mismatch repair
	D: Unequal crossing-over
	E: Generalized transduction

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