Sentences with word «zygosity»

But twin type is actually a classification of zygosity and defined by how twins form, not by what they look like.

Average daily macronutrient and food group intakes at age 21 mo and intraclass correlation coefficients for consumers by zygosity: Gemini twin cohort1

I gave up my crazy zygosity obsession until my daughters turned two.

In my situation, it answered many questions and ended my crazy zygosity obsession.

Even parents of twins and twins themselves are frequently confused about zygosity, and how it is used to categorize twins.

The numbers become even more confused because there are different types of twins, and the rates are different based on zygosity.

Since some monozygotic twins have one placenta, this can make it difficult to determine zygosity in utero.

Using staff / parent - rated zygosity, a model containing only shared (C) and non-shared (E) environmental variances «was able to explain the data just as well as the full [ACE] model» (p. 835) providing a heritability estimate of 0.17.

Using logistic regression controlling for zygosity, sex, age at interview, interview form, and correlations within families, the level of standardized neuroticism strongly predicted risk of phobia (OR, 1.67; 95 % CI, 1.58 - 1.77; z = 18.55; P <.001).

Behavioral genetic analyses included intraclass correlations and model fitting procedures applied to 514 same - sex twins (202 MZ, 294 DZ, 10 unknown zygosity) from the Western Reserve Reading Project (Petrill, Deater - Deckard, Thompson, DeThorne, & Schatschneider, 2006).

In these phenotypic models, the covariances between latent growth parameters as well as covariances between time - specific residuals could vary across zygosity.

Read on to discover the definition of zygosity.

Information on zygosity and sex was obtained from 59514 twins born between 1959 and 2001 included in the nationwide population - based Swedish Twin Registry.

Where a zygosity test can confirm whether twins are monozygotic or dizygotic, companies that perform zygosity testing to determine twin type do not offer a test for polar body twins.

The number of placentas can be an indicator of the zygosity of the twins, a term that refers to whether they developed from the same egg or from different eggs.

Like twins, triplets and other higher order multiples can be categorized by their zygosity.

But a study found that nearly 15 percent of parents were misinformed about the zygosity of their baby twins.

Zygosity may have implications in a twin or multiple pregnancy, for example, in cases of medical complications such as Twin - to - Twin Transfusion Syndrome (TTTS).

In relation to twins, zygosity is an important concept to understand.

Zygosity is a fancy way of noting whether your twins (or other multiples) are identical (monozygotic) or fraternal (dizygotic).

Many parents are misinformed about their twins» zygosity — or twin type.

A twin zygosity DNA test is used to confirm twin zygosity.

Sex - and zygosity - specific mean values of handgrip strength, height, weight, body mass index, and waist circumference were highly comparable between fraternal twins of opposite sex and fraternal twins of same sex.

Zygosity was confirmed by genetic markers.

The zygosity of an insertion event is not reported in the mobileElementInsertionsBeta.tsv file.

Thus, to avoid a confounding effect of gender homogeneity and zygosity the primary analyses were restricted to same - sex siblings.

Further, as our participants indicated themselves as MZ, DZ, or NT sibling, we used a very limited measurement of zygosity (Song et al., 2010).

Validity of the zygosity questionnaire and characteristics of zygosity - misdiagnosed twin pairs in the Healthy Twin Study of Korea.