What is Trisomy 13 18 and 21 2024?
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Down syndrome and trisomies 13 and 18 are chromosomal disorders that cause mental retardation and birth defects. Babies with Down syndrome have an extra chromosome No. 21 (trisomy 21) which causes mental retardation and various medical problems involving the heart, digestive tract, or other organ systems.
2023-04-23 18:13:03
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Ethan Roberts
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Down syndrome and trisomies 13 and 18 are chromosomal disorders that cause mental retardation and birth defects. Babies with Down syndrome have an extra chromosome No. 21 (trisomy 21) which causes mental retardation and various medical problems involving the heart, digestive tract, or other organ systems.