Question

A hydrangea plant has blue flowers when grown in acidic soil, but has pink flowers when grown in basic soil. A clone of the pink-flowered plant is grown in acidic soil and produces blue flowers. This change in flower color is most likely due to

Answer 1

Environmental Factors affecting gene expression. The differences in acidity level in the soil causes the gene to be expressed as either pink flowers (basic soil) or blue flowers(acidic soil). I hope this helps!