What is evolution?
The cumulative changes in the characteristics of a population or organisms across successive generations.
What are variations?
Differences in traits or characteristics between individuals of the same species.
Name the two types of variations.
Genetic variations and phenotypic variations.
What are genetic variations?
Variations controlled by genes that can be inherited.
What are phenotypic variations?
Variations that may result from genes, the environment, or a combination of both.
What is continuous variation?
Variation influenced by both genetic and environmental factors, resulting in a range of phenotypes.
Give an example of continuous variation.
Body height or body mass.
What is discontinuous variation?
Variation with distinct categories and no intermediates, usually not influenced by the environment.
Provide an example of discontinuous variation.
Blood group or the ability to roll the tongue.
Name one example of continuous variation in plants.
Height of plants.
Name one example of discontinuous variation in plants.
Color of leaves.
What is morphological variation?
Variations in physical traits or outward appearances of organisms.
Give two examples of morphological variations in humans.
Eye color and facial features.
What are the three types of fingerprint patterns?
Loops, whorls, and arches.
What is physiological variation?
Differences in how individuals of the same species behave or react to environmental conditions.
Name one example of physiological variation.
Ability to taste phenylthiocarbamide (PTC).
How is variation applied in crime detection?
Unique fingerprints can identify suspects and link them to crime scenes.
What is the significance of blood groups in paternity testing?
Blood group analysis can determine if a child's blood group matches that of the alleged parents.
What are universal blood donors?
People with blood group O who can donate to all other blood groups.
What are universal blood recipients?
People with blood group AB who can receive blood from any group.
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