BIO 30_Lec 13 B

Down's syndrome is an autosomal chromosomal abberation with

• 22 II + I21 or 22
• 22 II + I13, 14, 15
• 22II + I13
• 22 II + I 16,17, 18
• 22II + I18

Low IQ, slanting narrow eyes, saddle nose, large ridged tongue, flattened face

• Down's syndrome
• D Trisomy Syndrome
• Patau's
• E Trisomy
• Edward's Syndrome

Probable causes of Downsyndrome

• Non disjuction at anaphase I
• Non disjunction at anaphase II
• Non disjuction at Telophase
• Adjoining during Prophase
• Edward's Syndrome

D Trisomy syndrome is autosomal with

• 22 II + I21 or 22
• 22 II + I13, 14, 15
• 22II + I13
• 22 II + I 16,17, 18
• 22II + I18

Anomalies in eyes, brain, heart, with short life expectancy

• Down's syndrome
• D Trisomy Syndrome
• Patau's
• E Trisomy
• Edward's Syndrome

Trisomy 13

• Down's syndrome
• D Trisomy Syndrome
• Patau's
• E Trisomy
• Edward's Syndrome

E trisomy (short lifespan)

• 22 II + I21 or 22
• 22 II + I13, 14, 15
• 22II + I13
• 22 II + I 16,17, 18
• 22II + I18

Trisomy 18

• Down's syndrome
• D Trisomy Syndrome
• Patau's
• E Trisomy
• Edward's Syndrome

Trisomy 18 or Edward's syndrome

• 22 II + I21 or 22
• 22 II + I13, 14, 15
• 22II + I13
• 22 II + I 16,17, 18
• 22II + I18

clenched fists, elongated skull, low set ear; multiple organ malformation

• Down's syndrome
• D Trisomy Syndrome
• Patau's
• E Trisomy
• Edward's Syndrome