Blood pressure in humans is a phenotype that results from the interaction of many genes, including those for body weight, kidney function, metabolism, and more.

i think the answer is a.keratin is the pigment responsible for skin color.

the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question