Stalagmite refers to the cone-shaped deposit of calcite, which accumulates on the floor of a cave. This is not the same as stalactite, which is also a cone-configured deposit, however, it gets accumulated on the ceiling of the cave. While moraine refers to a formation of ridge taking place due to deposition of the fill at the border of a glacier.
YY and Yy would result in a plant with yellow seeds. This is because Y is dominant and yellow seeds would show with a dominant homozygous and a heterozygous. It can't be yy because that would be homozygous recessive
