Genetic Flashcards

1
Q

What is DNA?

A

chemical name for the molecule that carries genetic instructions in all living things. Long strand containing many genes

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2
Q

What is a Gene?

A

a portion of DNA that determines a body trait

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3
Q

What is Heredity?

A

The transfer of genetic traits from parent to child
* 46 chromosomes
* 22 pairs=44 total
* one pair of sex chromosomes, X & Y; XY male, XX female

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4
Q

What is Albinism?

Common Genetic Disorders

A

Born with little or no pogmentation in the skin, eye or hair

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5
Q

What is Cystic fibrosis?

Common Genetic Disorders

A

A life threatening disease that mainly affects the lungs and pancreas

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6
Q

What is Down Syndrome?

Common Genetic Disorders

A

Causes intellectual disabilites and physical abnormalities (3 copies of chromosome 21 instead of 2)

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7
Q

What is Hemophilia?

Common Genetic Disorders

A

blood disorder, lack of clotting factor

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8
Q

What is Phenylketonuria (PKU)?

Common Genetic Disorders

A

decreased metabolism of PKU. Leads to intellectual disability, seizures, behavioral problems, and mental disorders

All newborns are tested

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