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Every individual on this earth is different from the other. No one person is fully like other person. Every person differs from the other, either physically or psychologically. Even the twins are no exception to this.
They differ in some aspects or other. Particularly when we look at people from psychological point of view these differences are quite obvious.
In many instances even the children differ from their parents. They will have some similarities with some forefathers or grandparents instead of their parents. What makes these differences to exist?
What are the causes? The answer to these queries can be traced from two factors, viz. The basic sources of personality development are heredity and environment. Heredity refers to the genetic inheritance received by every individual at the time of conception. The origin of every human life can be traced to a single cell called zygote.
It is formed by the union of sperm and ovum. The sperm and ovum will contain 23 pairs of chromosomes out of which one will be sex determining chromosome. Female will have 23 pairs of XX chromosomes.
Male will have 22 pairs of XX and 2 single, represented as XY. X chromosome from mother and Y chromosome from father will lead to male offspring, XX from both parents give rise to female.
In each chromosome there are innumerable genes. These genes are the real determiners of hereditary characteristics—which pass on from one generation to the other.
At the time of conception, the genes from chromosomes of both the father and the mother fuse together and determine the traits of the offspring to be born. The physical characteristics such as height, weight, colour of eye and skin, social and intellectual behaviour are determined by heredity.
Differences in these characteristics are due to the change in the genes transmitted. Fraternal twins also differ from each other, because they are born out of different genes.
However, we find more resemblances in identical twins because they are born out of monozygotic. In simple terms environment means the society, the fields of society and even the whole world.
Like heredity, environment also has been found to play a very important role in determining the behaviour and personality development of an individual.
The environmental influences are those which act upon the organism at the earlier stages of development, i. Environment includes all the extrinsic forces, influences and conditions which affect the life, nature, behaviour, the growth, development and maturation of living organism Douglass and Holland.
Hence, we can say that environment means all that is found around the individual.
The cytoplasm is an intracellular environment which influences the development. Though the life begins with single cell, in the process of cell division several new cells are formed and a new internal environment comes into existence.
As the fetus develops the endocrine glands are formed. The hormonal secretion by these glands gives rise to another intracellular environment. Hormones are necessary for normal development, but defects in hormone secretion like over or under secretion may lead to congenital deformities.
The growing embryo is surrounded by amniotic fluid in the uterus which creates another environment. This fluid will provide the necessary warmth and protection against the dangers due to organisms and other chemical effects on fetus. The fetus is also connected to the mother by the umbilical cord, through which the nourishment is supplied.
Sufficient nourishment is necessary from the mother. Otherwise the child will suffer from malnutrition. The defects in mother like drug or alcohol addiction, smoking, malnutrition, diabetes, endocrinal disturbances, small uterus and such other problems cause many problems in child.
The psychological state of mother like over excitement, depression also may cause damaging effect on the child.Fideisms Judaism is the Semitic monotheistic fideist religion based on the Old Testament's ( BCE) rules for the worship of Yahweh by his chosen people, the children of Abraham's son Isaac (c BCE)..
Zoroastrianism is the Persian monotheistic fideist religion founded by Zarathustra (cc BCE) and which teaches that good must be chosen over evil in order to achieve salvation. This is the reference page for academic references for persuasion-related topics.
IQ tests measure intelligence, but not perfectly. For example, someone who makes a lucky guess on a multiple choice IQ test will get a higher score even though they are not more intelligent than someone who makes an unlucky guess.
The Five-Stage Model of Group Development - Analysis In this reflection report, I will explain our group’s situations by adopting the five-stage model of group development, then using other theories or researches to analyze the situations. Personality Development Essay Topics. Conscientiousness.
While using the Neuroticism Extraversion Openness Personality Inventory Revised I learned that I had found some weaknesses in me. The weakness that I found was conscientiousness, more precisely self-discipline and order which both are a part of conscientiousness.
Also, “it starts to look like me and the feminists” should be “looks like I”. And “untitled” doesn’t really make sense. And if biology is a hard science, it’s on the extreme soft edge of hard sciences.