Twins are fascinating and are the subject of many old wives tales. If you have a set of twins in your family, a relative may have told you that you have a higher chance of having twins — but do twins ...

Many vertebrates exhibit marked population cycles when periods of population growth end, with population crashes eliminating a large number of individuals. The Common Murre Uria aalge is an example of ...

It is shown that the method of Heuch and Li for recursive calculation of conditional genotype probabilities in pedigrees also applies to joint phenotype probability calculations. This procedure was ...

The probability of drug interactions increases when genetic polymorphisms are considered, indicating that pharmacogenetic assessment may be useful in predicting the presence and severity of ...

Several methods of estimating the ascertainment probability from the distribution of the number of ascertainments per proband have been presented in the literature. Here these methods are compared.