The scientific term for the genetic disorder down syndrome.

The term that describes a fault in the distribution of chromosomes during meiosis.

The chances of a parent having a child born with trisomy 21 ____.

A pattern made of chromosomes based on their size and the genes that they carry.

A healthy male will have a chromosomal number of ____.

A female that is diagnosed with trisomy 21 will have the chromosomal number of ___.

If nondisjunction occurs during anaphase I,____ cells will have _____ and _____cells will have _____.

If nondisjunction occurs during meiosis, the daughter cells before meiosis II will result in ___.

Trisomy 21 means

A way to diagnose a fetus for trisomy 21.

Women can reduce the risk of a trisomy 21 baby by _____.

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