Plants L1-4: How can we explain the mutant phenotypes?

Question

How can we explain the mutant phenotypes?

Alex Rapai · Accepted Answer

shortroot mutant: NO SCR or SHR. The ground tissue adopts the default fate. 
scarecrow mutant: In the absence of SCR expression, SHR causes the ground tissue to takes characteristics of both cortex and endodermis.

Plants L1-4

How can we explain the mutant phenotypes?

Shortroot mutant: NO SCR or SHR. The ground tissue adopts the default fate. scarecrow mutant: In the absence of SCR expression, SHR causes the ground tissue to takes characteristics of both cortex and endodermis.

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