Syllabus content and objectives
Official JAMB Biology outline · D: Heredity and Variations
Content
Morphological variation in physical appearance: size, including height and weight; colour, including skin, eyes, hair, animal coats, scales and feathers; fingerprints.
Objective
Differentiate continuous and discontinuous variation with examples; relate environmental conditions, habitat and genetic constitution to variation; measure heights and weights of pupils of the same age group; plot frequency-distribution graphs of heights and weights; observe and record colour patterns in plants and animals; apply fingerprint classification in identity detection.
Content
Physiological variation: ability to roll the tongue, ability to taste phenylthiocarbamide (PTC), and blood groups; applications of discontinuous variation in crime detection, blood transfusion and determination of paternity.
Objective
Identify specific examples of physiological variation in humans; categorize people according to physiological variation; apply knowledge of blood groups to blood transfusion and paternity determination; use discontinuous variation in crime detection.
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