BI-1547
Continuous and discontinuous variation
Biology · Secondary 4 · Medium · Continuous and discontinuous variation
The ABO blood group system is an example of discontinuous variation. Which observation supports this?
- Blood group is affected by both genes and environment.
- Blood group can take any value between A and O.
- Blood group falls into a few distinct categories with no intermediates.
- Blood group shows a normal distribution around a mean value.
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