Down+Syndrome-Genetics

=**Genotype the parent must have**= =Gene Mutation or Chromosomal Mutation=
 * ====Any genotype parent can have a child with downsyndrome====
 * ====Because its not a sex-linked trait, it won't be passed down from parent to child====
 * ====It happens by a "mess up" in reproduction====
 * ====Chromosomal mutation====
 * ====Happens on chromosome 21====

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(Page Done By Ashleigh)