Extra chromosome 13: Patau syndrome is a syndrome caused by a chromosomal abnormality, in which some or all of the cells of the body contain extra genetic material from chromosome 13. Symptoms include polydactyly, holoprosencephaly, coloboma of the iris, scalp defect, clenched, overlapping fingers, many midline defects, severe mental retardation, short life spans(<1yr avg)
Answered 5/8/2015
3.5k views
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question