Reproductive Genetics Glossary
100 terms total — 4 showing — Last updated 15 Sep 2026
multifactorial inheritance
A pattern of inheritance involving multiple genes combined with environmental factors that together contribute to a trait or condition.
villus sampling
A prenatal diagnostic procedure that obtains chorionic villus tissue for genetic analysis, typically performed between 1...
VUS
Genetic variant of uncertain significance that cannot be classified as pathogenic or benign. Poses interpretation challe...
zona pellucida
The glycoprotein shell surrounding mammalian oocytes and early embryos.
zona pellucida drilling
Assisted reproductive technique that creates a small opening in the embryo's protective shell to facilitate hatching and...