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Welcome Doctors! to the National Conference on Genetic Disorders

A defective recessive gene causes the body to produce abnormally thick mucus in lungs

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Page 1: A defective recessive gene causes the body to produce abnormally thick mucus in lungs

Welcome Doctors!

to the National Conference on

Genetic Disorders

Page 2: A defective recessive gene causes the body to produce abnormally thick mucus in lungs

What causes Cystic Fibrosis?

A defective recessive gene causes the body to produce abnormally thick mucus in lungs.

Page 3: A defective recessive gene causes the body to produce abnormally thick mucus in lungs

What are symptoms of

Cystic Fibrosis?

1.Coughing2.Short of breath3.Nausea4.Increased mucus

Page 4: A defective recessive gene causes the body to produce abnormally thick mucus in lungs

This is a recessive trait.

You’re only affected if you have a double recessive. Ex. ff

Dad is Ff Mom is Ff

Affected kid is ff

Page 5: A defective recessive gene causes the body to produce abnormally thick mucus in lungs

What causes Down

Syndrome?

Down Syndrome is caused by an extra chromosome # 21

Page 6: A defective recessive gene causes the body to produce abnormally thick mucus in lungs

What are symptoms of

Down Syndrome?

1.Flattened facial features2.Mental retardation3.Short stature4.Smaller head

Page 7: A defective recessive gene causes the body to produce abnormally thick mucus in lungs

One in every 691 live births is a child with Down syndrome

These are pictures of children with Down Syndrome

Page 8: A defective recessive gene causes the body to produce abnormally thick mucus in lungs

What causes Hemophillia?

Hemophillia is caused by a defective gene- results in blood not clotting properly.

Page 9: A defective recessive gene causes the body to produce abnormally thick mucus in lungs

What are symptoms of

Hemophillia?

1.Frequent breathlessness2.Shooting abdominal pain3.Fever4.paleness

Page 10: A defective recessive gene causes the body to produce abnormally thick mucus in lungs

Hemophilia has often been called the "Royal Disease." Queen Victoria of England was a carrier of the hemophilia gene and passed the disease on to several royal families.

Page 11: A defective recessive gene causes the body to produce abnormally thick mucus in lungs

What causes Klinefelter

Syndrome?

Klinefelter Syndrome is caused by an extra “X” chromosome in males

Page 12: A defective recessive gene causes the body to produce abnormally thick mucus in lungs

What are symptoms of

Klinefelter Syndrome?

1.Low levels of testosterone

2.Less facial hair3.Sterile (can’t have

children)4.Wide hips

Page 13: A defective recessive gene causes the body to produce abnormally thick mucus in lungs

•Normal males have XY sex chromosomes

•Males with Klinefelter have XXY sex chromosomes