Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: identical
Next word: identification
Definition of: identical twin
Genetics
One of a pair of human offspring which develop from a division of a single fertilized egg cell. They are invariably of the same sex and exhibit similarities due to participation in the same genetic factors: distinguished from fraternal twin.
Comment about this word, ask questions, or add new information about this topic: