Tools and Materials. 1  Twelve or more table tennis balls. 2  One different-colored table tennis ball. 3  Wire basket. 4  Cardboard cut to fit over the basket opening. 5  Tape. 6  A hair dryer (set to the coolest setting), fan, or other blower.
hereditary definition. A descriptive term for conditions capable of being transmitted from parent to offspring through the genes. The term hereditary is applied to diseases such as hemophilia and characteristics such as the tendency toward baldness that pass from parents to children. Word of the Day.
heredity. the transmission of genetic traits from parents to offspring. The hereditary material is DNA in the ovum and sperm, so that the offspring's heredity is determined at the moment of conception.Inside the nucleus of each germ cell are structures called chromosomes.eredity. the transmission of genetic traits from parents to offspring. The hereditary material is DNA in the ovum and sperm, so that the offspring's heredity is determined at the moment of conception.