Genetics

Biology

BIOLOGY OF HEREDITARY AND VARIATION

BIOLOGY OF HEREDITARY AND VARIATION (GENETICS)   DEFINITIONS OF GENETIC TERMS What is Genetics? Genetics is the scientific study of heredity and variation in all living things. The word genetics was coined by Dilliam Bateson (1906). What is hereditary?: Hereditary/Inheritance is the transmission and expression of characters or traits from parents to offspring. It accounts for

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Biology

MENDELS WORK IN GENETICS

MENDELS WORK IN GENETICS   In the study of genetics, Gregor Mendel (1866) worked with the garden pea. (Pisumsativum)  because of three unique properties present in it. These are Peas are self-pollinating They have a very short lifespan They have several unique genetic characteristics e.g. round or wrinkled seeds, tallness or shortness, seeds /pods/ flowers colouration,

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Biology

PRACTICAL APPLICATIONS OF GENETICS

PRACTICAL APPLICATIONS OF GENETICS Study of genetics has been put into a wide variety of uses encompassing plants and animals and in particular humans. Blood transfusion. Blood groups are genetically determined. As discussed earlier a person of blood group A can only get blood from another one of A or O. In case of emergencies

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Biology

GENETICS

GENETICS Introduction What is genetics? Genetics is the study of inheritance. The fact that the offspring of any species resemble the parents indicates that the characters in the parents are passed on to the offspring. Factors that determine characters (genes) are passed on from parent to offspring through gametes or sex cells. In fertilization the

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