Word Count : 239

---

Down syndrome is a genetic disorder caused by the presence of an extra copy of chromosome 21, a condition known as trisomy 21. It is one of the most common chromosomal abnormalities in humans and occurs due to nondisjunction during meiosis, where chromosomes fail to separate properly. _________ ________ ____ __________ __________ ____ ____ _______ _____.
____ __________ _____ _____ ___ ______ __________ ________ __________ ________.
___ _________ __________ ___ _______ _______ ______ ____ ____ _________ ______.
________ _________ ________ __________ ________.
________ ___ __________ ____ _______ ____.
_______ __________ ________ ___ ____.
____ ____ _____ _________ ____ ________ __________ _____ __________.
________ _________ ___ ___ __________ _______ _______ ________.
_________ _______ __________ _______ ____ _________ _____ ___ ________ ________ _________.
_____ ______ ________ _____ _________ ___ _____ _____.
__________ ___ __________ ______ _______ ________ ___ ________ _______ ____ ________.
_____ _____ __________ _______ _____ ________ __________ _______ ________ ___ ______ __________.
________ ______ _________ ___ _____ ____ ______ _________ ________ ______.
________ ______ _________ ___ ______ ____ _____ ___ _____ ___.
______ __________ ___ _______ _________ ______ _________ _____ _______ __________.
____ ________ ______ _______ _________ ____ _________ _______ ____ __________ _____ _________.
____ ___ ____ ____ _______ _______ _________ _________ ____ ________ ________.
______ ___ _________ ________ __________ _______ ___ _________ ____ _____.
______ ______ ___ ______ __________ _____.
___ ___ _______ __________ _______ ___ _______ ____ _____ ________.
_______ _________ __________ __________ __________ ___ _______ _______.
Get Full Answer on WhatsApp