A litter of pigs is born. Three are female, and three are male. Which set of symbols correctly describes the gender of each piglet? XX, XY, XX, XY, XY, XX XXY, XXY, XXY, XX, XX, XX

XX

XX

XX

XY

XY

XY

Explanation:

Most mammals use an X/Y sex determination system, like humans.

Males are XY and females are XX. Therefore, there will be three pigs with the XX chromosomes, as they are female. There will also be three pigs with the XY chromosomes, as they are male.

the molecules move in straight line until they collide with each other or with the walls of the container. collisions are perfectly elastic; when two molecules collide, they change their directions and kinetic energies, but the total kinetic energy is conserved.

explanation: