Why are punnets square’s used to calculate the probability of genotypes and phenotypes of one child. In other words why is it inappropriate to say “two out of four of their children will have brown hair” Please help me

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?