(biology) Derived from two eggs that have been separately fertilized; dizygous.
Used in a Sentence
dizygotic
Definition, parts of speech, synonyms, and sentence examples for dizygotic.
Editorial note
For example, monozygotic twins will always have the same eye color (99+% correlation), while dizygotic twins do not.
Examples15
Definitions1
Parts of speech1
Quick take
(biology) Derived from two eggs that have been separately fertilized; dizygous.
Meaning at a glance
The clearest senses and uses of dizygotic gathered in one view.
Definitions
Core meanings and parts of speech for dizygotic.
adjective
(biology) Derived from two eggs that have been separately fertilized; dizygous.
Example sentences
For example, monozygotic twins will always have the same eye color (99+% correlation), while dizygotic twins do not.
You compare the variance of monozygotic twins adopted into separate families to the variance of dizygotic.
This kind of unentanglement is usually done through twin studies: you compare how well correlated are monozygotic vs dizygotic twins.
With the monozygotic twin correlation being twice the dizygotic twin correlation, what other explanations are there?
The easiest evidence comes from comparing monozygotic and dizygotic twins (maternal vs fraternal twins).
The variance in behavior is higher among the dizygotic twins who have different genomes.
Since it’s reasonable to assume that both monozygotic and dizygotic twins share the same or at least very similar environments, if the correlation between monozygotic twins on a given trait is greater than in dizygotic twins, it means that genetic causation plays a role, while if the correlation is the same, there it is likely no genetic causation.
This can be done using twin studies, by comparing correlations between monozygotic vs dizygotic twins on various variables of interest, see Falconer’s formula for example.
The sample consisted of 8,280 monozygotic (identical) and dizygotic (fraternal) twins.
You do a twin study comparing monozgyotic to dizygotic twin pairs.
Did you see the part about monozygotic vs dizygotic twins?
It is estimated by comparing monozygotic twins with dizygotic twins.
Quote examples
You simply compare the correlation between monozygotic ("identical") twins vs dizygotic ("non-identical") twins.
Edit: The paper says "More recent (and rigorous) studies that have compared concordance rates specifically of bipolar disorder among MZ [monozygotic] and DZ [dizygotic] twin pairs are summarized in table 2." The table shows four studies that gave concordances of 0.00-0.08 for dizygotic twins, and 0.36-0.75 for monozygotic twins.
The original title "Reversal of Autism Symptoms among Dizygotic Twins through a Personalized Lifestyle and Environmental Modification Approach" became "Autism can be reversed, scientists discover" which is an entirely different thing.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use dizygotic in a sentence?
For example, monozygotic twins will always have the same eye color (99+% correlation), while dizygotic twins do not.
What does dizygotic mean?
(biology) Derived from two eggs that have been separately fertilized; dizygous.
What part of speech is dizygotic?
dizygotic is commonly used as adjective.