Which classification category contains the most closely related organisms?

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

The allele for curly hair is incompletely dominant. if a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents? 25 percent 50 percent 75 percent 100 percent

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water