13
Nicolette Laird Period 3 Down Syndrome

Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

Embed Size (px)

Citation preview

Page 1: Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

Nicolette Laird

Period 3

Down Syndrome

Page 2: Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

• Also known as Trisomy 21• A person has 2 sets of

Chromosome 21•They have 47 Chromosomes instead of the normal 46•Creates problems with physical and mental development•Is not hereditary

What is Down Syndrome?

Page 3: Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

Normal Genotype Vs. Down Syndrome Genotype

Normal Genotype Down Syndrome Genotype

Page 4: Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

• The chances of having a child with Down Syndrome increases with age• 30 years of age: 1 in 900

chance of having a child with Down Syndrome

• 35 years of age: 1 in 350• 40 years of age: 1 in 100

Age Affects Down Syndrome

Page 5: Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

• Diagnosis occurs at birth or shortly thereafter

• Diagnosis is confirmed by a chromosome test• Karyotype: a test that

shows chromosomes grouped by size, number, and shape

Diagnosis

Page 6: Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

• Decreased muscle tone (hypotonia)

• Excess skin at the nape of the neck

• Flattened nose

• Single crease in the palm of the hand

• Small ears

• Small mouth

• Upward slanting eyes

• Don’t grow to full height

Physical Attributes

Page 7: Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

• Children have delayed mental and social development

• Learn and grasp topics at a slower pace than other children

• Lack of muscle tone makes it difficult to talk and use fine motor skills (holding a pencil or building block towers)

Learning

Page 8: Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

• Heart defects

• Loss of sight and hearing

• Underactive thyroid

• High blood pressure

• Intestinal problems

• Higher risk of childhood leukemia

• Respiratory disorders

Health Problems

Page 9: Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

• Currently no treatments for Down syndrome because it is a problem with the chromosomes

• Treatment works on controlling symptoms and any medical problems that occur from the defect• Regular checkups and screening• Medications for any medical problems

that might arise• Surgery• Counseling and support

Treatments

Page 10: Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

• Contact the National Down Syndrome Society about support groups

• Create a strong bond between you and the child

• Enroll the child in Early Intervention Services to help with movement and speech therapy

Helping a Child with Down Syndrome

• To help with delayed speech development, teach the child sign language so that the child can communicate

Page 11: Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

Additional Resources

•National Down Syndrome Society• http://www.ndss.org/

• National Association for Down Syndrome•www.nads.org/

•Mile High Down Syndrome Association•www.mhdsa.org

Page 12: Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

• http://kidshealth.org/parent/medical/genetic/down_syndrome.html#

• http://www.downs-syndrome.org.uk/component/content/article/38-health/190-6-how-does-downs-syndrome-affect-development.html

• http://down-syndrome.emedtv.com/down-syndrome/causes-of-down-syndrome-p2.html

• http://ghr.nlm.nih.gov/condition/down-syndrome

• http://downsyndrome.com/down-syndrome-information/down-syndrome-education/

• http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001992/

• http://knol.google.com/k/-/-/BUxWT11X/wnmpHw/Trisomy%2021%20highlighted.tif

• http://10ka.edublogs.org/files/2008/08/chromosome2.jpg

• http://www.mychildwithoutlimits.org/images/1/Understand/Understand___Girl_with_Down_Syndrome.jpg

• http://www.palmbeachpost.com/multimedia/dynamic/00572/AmyKnowlton_572126e.jpg

Works Sited

Page 13: Nicolette Laird Period 3. Also known as Trisomy 21 A person has 2 sets of Chromosome 21 They have 47 Chromosomes instead of the normal 46 Creates problems

Fin