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Mitosis

Exact cell division, red blood cells do not divide.

Meiosis

Reduction of cell division. ( Only happens in sex cells )

DNA

Code for all proteins (3 billion)

Gene

Segment of DNA that codes for protein.

Chromosomes

Appear during cell division/ segments of DNA

Dominant Gene

AKA the gene that is expressed.

Recessive Gene

AKA the gene that is repressed.

Homozygous

Genetically alike.

Heterozygous

Genetically unlike.

Mutation

A change in your DNA.

Autosomal Trait

Any trait besides X or Y

Sex-linked Trait

Any trait on X or Y chromosomes. def: color blindness. (X has more traits)

Smooth hair line, Attached ear lobes, No Freckles, No Straight thumb, Right thumb over finger.

Some recessive Traits are....

Widow's peak, Unattached ear lobes, Freckles, Straight Thumb, Left thumb over finger.

Some dominant Traits are...

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