Pl hel, 1. Mud minnows are a type of fish found along the Atlantic coast of the United States. Embryos of these fish normally develop with two eyes. However, scientists have found that if eggs are placed in 100
mL of seawater mixed with 6 g of magnesium chloride, the fish embryos will only have one eye.
What is a possible explanation for this phenomenon?

A) This phenomenon is caused by gene expression regulated by chemicals.

B) This phenomenon is caused by having different DNA nucleotides.

C) This phenomenon is caused by a change due to too high water temperature.