Multiple-choice Quiz

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Chapter 20

This activity contains 5 questions.

The progressive restriction of future developmental capacity is __________.

	determination
	maternal effect
	differentiation
	transdetermination
	predestination

Homeotic mutants in Drosophila are those in which __________.

	recombination has taken place
	a position-effect is evident
	one structure is replaced with another
	translocations have occurred
	a structure is missing

How does a zygote's cytoplasm affect cell determination?

	It has no effect.
	It slows down determination.
	The cytoplasm initiates differential transcription.
	It speeds up determination.
	It controls determination completely.

Differentiation of cells is controlled at both the and the levels.

	transcriptional/translational
	transcriptional/DNA repair
	cell cycle control/translational
	mitotic/meiotic
	DNA replication/translational

In multicellular organisms, cell-to-cell interactions help regulate development by __________.

	exchanging DNA
	signal transduction between cells
	crowding each other
	competing for nutrients
	Cell-to-cell interactions have no role in development.

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Multiple-choice Quiz

The progressive restriction of future developmental capacity is __________.

Homeotic mutants in Drosophila are those in which __________.

How does a zygote's cytoplasm affect cell determination?

Differentiation of cells is controlled at both the __________ and the __________ levels.

In multicellular organisms, cell-to-cell interactions help regulate development by __________.

Differentiation of cells is controlled at both the and the levels.