In most plants, such as Arabidopsis , genes whose encoded products have roles re

ID: 264522 • Letter: I

Question

In most plants, such as Arabidopsis, genes whose encoded products have roles related to photosynthesis have expression patterns that vary in a circadian manner. Using this knowledge, how would you screen forArabidopsis mutants that have an impaired circadian rhythm?

a) Seed from wild-type plants would be treated with a mutagen, allowed to develop and self-fertilize, and the progeny collected and screened for reduced growth rate.

b)Seed from wild-type plants would be treated with a mutagen, allowed to develop and self-fertilize, and the progeny collected and screened for reduced viability.

c)Seed from wild-type plants would be treated with a mutagen, allowed to develop and self-fertilize, and the progeny collected and screened for gene expression profile defects.

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In most plants, such as Arabidopsis , genes whose encoded products have roles re

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In most plants, such as Arabidopsis , genes whose encoded products have roles re

In most plants, such as Arabidopsis, genes whose encoded products have roles rel

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In most plants, such as Arabidopsis , genes whose encoded products have roles re

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