Human Development: Factors and Theories

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  • Chromosomes are made out of  DNA  and  Protein. It is structured like a thread.  Humans have 46 arrange in 23 pairs.
  • Genotype is a complete set of genes everyone has but not identical twins.  Genes contain information which controls Human Growth  and  Development. there are  individual differences  which makes us unique. e.g. height, eye colour

Genetically determined behaviour

  • Present at birthrooting reflex
  • Universality; all or most people do it rooting reflex
  • Unchangingdoesn't change much throughout life; musical ability
  • Development follows a universal and invariant sequence


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