A mutant mustard plant has a number of novel features; for example, it does not absorb water and minerals from the soil as readily as wild-type plants do.The abnormality of the mutant plant is most likely in its

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Root hairs are responsible for the absorption of water and minerals from the soil. Thus, mutations affecting their structure or function can affect the ability of the plant to absorb these resources. The fact that the mutant mustard plant does not absorb water and minerals as well as wild-type plants suggests that the mutation is most likely in its root hairs.

A Mutant Mustard Plant Has a Number of Novel Features;