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.
1. uncountable noun. Alchemy was a form of chemistry studied in the Middle Ages, which was concerned with trying to discover ways to change ordinary metals into gold. 2. uncountable noun. Alchemy is the power to change or create things in a way which seems mysterious and magical.