Examlex
Give the approximate bond angle for a molecule with tetrahedral electron geometry and trigonal pyramidal molecular geometry.
Down Syndrome
A genetic disorder caused by the presence of all or part of a third copy of chromosome 21.
Congenital Heart Defects
Heart abnormalities that are present at birth, affecting the structure and function of the heart.
Amniocentesis
A medical procedure involving the extraction of a small amount of amniotic fluid for testing, typically to diagnose genetic disorders in a fetus.
Karyotype
A complete picture of a person's chromosomes, arranged in order and used to look for chromosomal abnormalities.
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