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Social class refer to group of people who are involved in similar positions in the economic system of production, usually having corresponding levels of power and wealth. Often times, we see movies where cross-class relationships will eventually end in marriage after the initial disapproval  "mostly" by the upper class parents, but after the couple's struggle and all, they end up getting married and the movie tells us - "happily ever after". The truth is, the end of the movie is usually the beginning of the journey in real life. If we have a situation like this in real life, can the couple truly live happily ever after? The fact is, in most occasions - They don't. Social class involves a set of standards and values and these standards and values will ultimately be transferred to the offspring. Most people think their standard is satisfactory and significant than that of others. Couple from different social class often view basic and vital issue

Rhesus factor also known as Rh factor is described as an antigen that is present on the surface of red blood cells in most individuals. Individual who possess the Rh positive blood type e.g A positive, O positive, AB positive, are said to be rhesus positive while those with negative symbol are said to be rhesus negative. Rhesus factor is inherited from parents, usually the father. If you are rhesus positive (RhD positive), this implies that the protein (D antigen) is present on the surface of your red blood cells, however, if you lack the D antigen, you will be rhesus negative (RhD negative). Over 75% of humans are rhesus positive. Having Rh negative blood type does not make you unhealthy, apparently, it doesn't affect your health. Rhesus status only become an issue of concern when a woman whose rhesus status is negative get pregnant and the baby she's carrying is rhesus positive, this is known as Rhesus Incompatibility. Commonly, a child inherits the father'

        Genotype is the genetic constitution of an individual organism, it indicates the certain gene that an individual is carrying. Genotype is part of the genetic makeup of a cell. The red blood cells contains hemoglobin : Hemoglobin is a substance which helps in carrying oxygen to the tissues. Hemoglobin comprise of - Heme and Globin; the heme and globin are two pairs of protein chain. When we have an amino acid substitution, specifically in the globin chain, then certainly, there is an abnormality. Note : Amino acid are the building blocks of protein.      Let's say the chain suppose to consist of amino acid 'D' but it is instead substituted for 'F' at a particular point of the chain, then, there is definitely an error which would lead to abnormality.             Types of genotype - AA :  At the sixth position of both Globin chains, we have 'Glutamate'(Normal) - AC : At the sixth position of one of the Globin chains, we have 'Lysine