Disorders of development Flashcards
1
Q
What percentage of fertilised eggs survive?
A
35%
2
Q
Examples of disorders of development
A
Spina bifida
Cleft palate
Ventricular septal defect - hole between ventricles
3
Q
What does congenital mean?
A
Present from birth
4
Q
Inherited
A
Caused by a genetical abnormality (could be present at birth or develop later in life)
5
Q
Acquired
A
caused by non-genetic environmental factors
6
Q
Polygenic inheritance
A
when one characteristic is caused by 2 or more genes
7
Q
What does growth hormone deficiency result in?
A
Being small (dwarfism)
8
Q
What causes giantism
A
Pituitary gland makes too much growth hormone
9
Q
characteristics of fetal alcohol syndrome
A
small eye openings smooth philtrum thin upper lip (acquired not genetic) also congenital
