DEVELOPMENTAL IRREGULARITIES;
as the name suggests ,an irregular pattern of development is to be discussed here.they may be caused by
1.Heredity factor
2.Environmental factor
under the heading of heredity factor,genetic and chromosomal abnormalities will be considered,like
A.Gene mutation
B.Defects caused by dominant inheritance
C.Problems due to recessive pattern of inheritance
D.Sex related chromosomal abnormalities ;Down's syndrome,Klinefelter's syndrome,Turner's syndrome.
Lets have a look at environmental causes for developmental irregularities,they may be traced out in the insufficient food supply,differences in parenting style,peer influence,toilet training,lack of physical activity,absence of suitable environment according to one's aptitude and etc.
DEVELOPMENTAL IRREGULARITIES include all the abnormalities seen in developmental process.commonly observed ones are
i.Obesity
ii.Delayed speech
iii.Excessive shyness
iv.Frequently shuffling tempraments
v.Aggression
vi.Poor cognition
vii.Infertility.
viii.Under development of some organs like brain .
ix.Lack of sociability