Question 1 · 10 marks · 153 words written
Comment on the following in about 150 words each: 10x5=
Opening · a definition
Growth curve represents the growth of various parts of the body across time and space. According to Malina, it shows the quantitative changes taking place in a body. Brain: rapid in initial 5 years; 90% of growth of brain takes place.
Total Body: High in foetal stages & during post birth; slow in 5-10 years and picked up again during Adolescence.
Reproductive parts: Negligent in childhood, growth spurt during adolescence.
Thymus: vanishing during Adolescent.
Body · points and prose
pid in initial 5 years; 90% of growth of brain takes place.
Total Body: High in foetal stages & during post birth; slow in 5-10 years and picked up again during Adolescence.
Reproductive parts: Negligent in childhood, growth spurt during adolescence.
Thymus: vanishing during Adolescent.
Factors affecting Growth curve.
Bio-chemical factors: Absence of growth hormone, gonado-choriotropin, monad etc.
Poverty: Absence of good nutritious food. Eg: western kenyan tribes - malnutrition & marasmus.
Environmental factors: Allens & Bergmans rule. Polar - Big size.
Socio-economic: Stress in family → growth. Eg: Japanese migrated to Hawaii have better growth parameters.
Close · a summary
Current Relevance: Current methods of twin study, foster child etc all utilise growth curves to know the right mix of gene and environment.