After you've completed the tutorial, click the button below to answer questions about what you've learned.
Animation Assessment
30
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After you've completed the tutorial, click the button below to answer questions about what you've learned.
Animation Assessment
Question 1 of 7
Questions
Question
1.1
After nine nuclear divisions ____________ move to the periphery. Cell membranes form after 14 nuclear divisions, forming the ____________.
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Correct.
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Question
1.2
The dorsal gene is a maternal effect gene. A dorsal homozygous mutant female is crossed to a heterozygous male. What proportion of progeny would be expected to have a dorsalized phenotype?
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Correct.
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Question
1.3
Maternal effect genes encode transcription factors that form a concentration gradient in the oocyte. Which maternal effect gene displays a dorsoventral gradient with highest expression at the dorsal side?
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Correct.
Incorrect.
2
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Question
1.4
Gap genes are expressed in distinct domains of the developing larva, control the development of ____________ segment(s), and are regulated by ____________.
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Correct.
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Question
1.5
The even-skipped gene is expressed in ____________ segments. Lack-of-function, even-skipped mutants do not develop ____________ segments.
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Correct.
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2
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Question
1.6
Which toolkit genes maintain segment boundaries?
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Question
1.7
Antp is a segment ____________ gene that encodes a transcription factor with a homeodomain. Mis-expression of Antp in the antennae results in the development of ___________ in place of antennae.