dizygotic
Học thuậtThân thiện
Definition
- Adjective:
- Derived from two separately fertilized eggs: Describes twins that develop from two distinct eggs (ova), each fertilized by a separate sperm cell. Such twins are genetically similar to ordinary siblings, sharing approximately 50% of their genes.
Usage Examples
- Adjective:
- Dizygotic twins are no more genetically alike than any other pair of siblings.
- The doctor explained that the pregnancy involved dizygotic twins, meaning two separate placentas were present.
- The study compared cognitive development in monozygotic and dizygotic twin pairs.
Advanced Usage
- "dizygotic pregnancy": A pregnancy resulting from two separately fertilized eggs.
- An ultrasound confirmed it was a dizygotic pregnancy.
- "dizygotic twinning": The process or occurrence of conceiving fraternal twins.
- The rate of dizygotic twinning increases with maternal age and the use of fertility treatments.
Variants and Related Words
- Dizygous (adj): A less common variant with the same meaning as "dizygotic".
- Dizygous twins are also called fraternal twins.
- Dizygosity (n): The state or condition of being derived from two zygotes.
- DNA testing confirmed the dizygosity of the twins.
Synonyms
- Fraternal (adj): Commonly used to describe twins from two separate eggs (e.g., fraternal twins).
- Biovular (adj): A technical synonym meaning originating from two ova.
Antonyms
- Monozygotic (adj): Derived from a single fertilized egg that splits, resulting in genetically identical twins.
Adjective
- derived from two separately fertilized eggs
- dizygotic twins