Multiple choice

The blood types of an individual are

  1. genetically inherited

  2. acquired after birth as a consequence of certain specific environmental factors

  3. genetically inherited but get changed after birth as a consequence of natural selection

  4. genetically inherited but determined by natural selection
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Blood types are acquired only by inheritance from parents and they cannot be changed. However, natural selection can have an effect on whether an individual survives to reproduce and pass on the alleles for his or her blood type.

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