In a test cross, the dominant-expressing organism is crossed with an organism that is homozygous recessive for the same characteristic. If the dominant-expressing organism is a homozygote, then all F1 offspring will be heterozygotes expressing the dominant trait.
Supernatural or mystical happenings or acts which do not form part of a recognized religion. Witchcraft, divination, magic, Satanism are all considered to be part of the occult. 2. The occult is the realm of magic and the supernatural, or any knowledge or practices involved in this.
umbra ''f''. 1  A dark image projected onto a surface where light is blocked by the shade of an object. 2  Relative darkness, especially as caused by the interruption of light; gloom, obscurity. 3  That which looms as though a shadow.  Merely a hint of 1  substance. One who secretly or furtively follows another.