Turners syndrome is found in girls only not in boys

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy

Amap's orientation is typically determined by an

Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?