They concluded that “There is a great deal of stigma associated with cousin unions in the United States and Canada that has little biological basis.” Maybe, though, Daryn, you’re uncomfortable with the notion of a romantic relationship with a first cousin, or anyone with whom you have a high inbreeding coefficient.If so, this app developed in Iceland (a country with a small population where naming conventions make it hard to figure out who’s related by blood) may be of interest to you.
COM earlier this year.'Unfortunately there's probably gonna be about a year, maybe year and a half, between the two,' he added.
First cousins have an inbreeding coefficient of 0.0625. marriages are between people who are second cousins or closer needs to be treated with plenty of caution.
Anything at or above 0.0156, the coefficient for second cousins, is considered consanguineous; that includes relationships between people and their nephews and nieces. For one thing, 25 states ban marriage between first cousins, and another seven states have restrictions on it (for example, in Arizona first-cousin marriage is allowed only if both people are 65 or older, or if one is unable to reproduce).
In fact, Bittles himself first became interested in the topic during a research trip to the Indian Institute of Science in Bangalore in 1977.
Before then, he was “unaware that such marriages occurred in major populations,” he told me.