... phenotypes can the offspring have? In a Punnett square, the genes of one parent are listed on one side of the square and the genes of the other parent on the other side of the square They are then combined ... science are concerned with the formation of the Earth, the solar system and the universe, the history of Earth (its mountains, continents and ocean floors), the weather and seasons on Earth, the ... of the Earth and the Solar System The sun, the Earth, and the rest of the solar system formed 4.6 billion years ago, according to the solar nebula theory This theory states that the solar system...