If Gremlin Expression Were Reduced in the Cells That Give

question 19

Multiple Choice

If Gremlin expression were reduced in the cells that give rise to feet in ducks,

• A) the feet would be much smaller due to a heterochronic shift.
• B) the feet would be much larger due to a heterochronic shift.
• C) the feet would be more webbed than normal.
• D) the feet would be less webbed than normal.
• E) winglike structures would appear where the feet ordinarily would be.

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