Variable Number of Tandem Repeats (VNRT): DNA locations that are comprised of short (i.e. 10-70 base pairs) repeats arranged in tandem. The length of the location will depend on the number of times the sequence is repeated. The number of repeats will vary among nonrelated individuals.

Visitation; Supervised Visitation: Pursuant to stipulation, agreement, or court order, visits of unemancipated children with their non-custodial parent. Visits are supervised by a responsible adult when the non-custodial parent is accused of child abuse or neglect.

Visitation, Grandparent: Grandparents have visitation rights in all 50 states. These rights generally do not cover non-biological descendants, i.e., adopted grandchildren or biological grandchildren given up for adoption.

Voluntary Acknowledgment of Parentage: A statement signed by the father (and usually the mother) that they are indeed the biological parents.