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Heredity and Evolution — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceHeredity and Evolution1 Mark
MCQ
In the human blood grouping, the four basic blood types are type $A,$ type $B,$ type $AB,$ and type $O$. The blood proteins $A$ and $B$ are :
  • A
    Simple dominant and recessive traits.
  • B
    Incomplete dominant traits.
  • ✓
    Codominant traits.
  • D
    Sex $-$ linked traits.
✓

Answer

Correct option: C.
Codominant traits.
Blood proteins $A$ and $B$ are codominant traits, as neither of these is able to dominate the other completely.

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