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: Genes that function in the mother that are needed for development of the embryo are called
	A: Segmentation genes
	B: Nurse-cells genes
	C: Homeotic genes
	D: Maternal-effect genes
	E: Pair-rule genes

2: Genes determine the anterior-posterior and the dorsal-ventral axes are called
	A: Pair-rule genes
	B: Gastrulation genes
	C: Imprinting genes
	D: Homeotic genes
	E: Imaginal genes

3: In early development of Drosophila, the nuclei within the embryo migrate to the periphery, and the germ line is formed from about 10
	A: Pole cells
	B: Nurse cells
	C: Ancor cells
	D: Somatis cells
	E: Hybrid cells

4: Structures present in the body of the insect larvae from which the adult structures develop during pupation are called
	A: Whorles
	B: Clypeolabrum
	C: Vulval discks
	D: Morphogen
	E: Imaginal disks

5: In higher plants differentiation takes place almost continuously throughout life in regions of actively dividing cells called
	A: Sepals
	B: Heterokaryons
	C: Imaginal discks
	D: Meristems
	E: Ascospores

6: Mutations that affect the timing of developmental events are known as
	A: mutations
	B: Execution mutations
	C: Gradient mutations
	D: Para-segmental mutations
	E: Heterochronic mutations

7: The pedigree relationships among a group of cells is known as a cell
	A: Pattern formation
	B: Hertability
	C: Lineage
	D: Local population
	E: Phylogenetic tree

8: The homeotic genes encode
	A: Transcriptional activator proteins
	B: Repressor proteins
	C: Single-strand binding proteins
	D: Restriction enzymes
	E: Helicase proteins

9: A molecule that participates directly in the control of growth and form during development is called a (an)
	A: Excisionase
	B: Metabolite
	C: Morphogen
	D: Scaffold
	E: Holoenzyme

10: What floral phenotype would be expected of a homozygous triple mutant ap1, pi and ag
	A: Carpel, stamens,stamen,carpels
	B: Leaves, leaves, leaves, leaves
	C: Sepals, petals,stamen carpels
	D: Sepals, petals, petals, sepals
	E: sepals, sepals, sepals, sepals

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