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C&A Chapter 3

Across
The 23rd Chromosome.
When the gene from one parent matches exactly, the gene from another parent.
A disorder that is devastating to the central nervous system.
Most common form of mental retardation.
XX
XY
Down
Works with individuals and couples who suffer from hereditary or genetic disorders. Obligated to keep information confidential.
These genes are coded for activation at a certain point in development.
One sperm and one egg make identical twins, also known as_______.
The genetic inheritance.
Carries either an X or a Y chromosome.
Our make-up. Also a way to determine paternity, involvement in a crime, and other scientific measures.