A polygenic trait is a trait controlled by many (poly) genes. Human skin color is an example; it thought to be the controlled by about 12 genes.
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Maps are examples of physical models
<span>The correct answer is "the perineum" This is the correct answer because it boarders the pubic symphysis anteriorly, the coccyx posteriorly, and both ischial tuberosities laterally.</span>
B.) ATP contains a 5-carbon sugar, three phosphate groups, and an adenine base. Energy is released when the bond between the second phosphate group and the third phosphate group is broken.
Here is a good resource:
https://nhlbi.nih.gov/health/educational/lose_wt/eat/calories.htm
