Genetic disorders are caused by what a. pedigrees b. dna mentation's or change in chromosomes

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❖ The correct answer choice is change in chromosomes.

This change in chromosomes is also known as mutation when a code in the chromosomes is changed permanently. When mutation is caused, things change.

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Parasympathetic nervous system slows the heart rate and restores the body into a calm state (rest and digest) while sympathetic nervous system accelerates the heart rate instead and usually is for a (flight or fight)

sympathetic:
ross feels nervous...
rodrigo’s breathing increases...
dory sees a bear...

parasympathetic:
lisa feels calm...
sofia’s muscles relax...
maya feels her heart rate slow down...