Biology
Grade-10
Easy
Question
The phenotypic ratio in co-dominance is___________.
1: 2: 1
3: 1
9: 3: 3: 1
9: 2: 2: 1
1: 2: 1
3: 1
9: 3: 3: 1
9: 2: 2: 1
Hint:
The phenotypic ratio for co-dominance is 1:2:1.
The correct answer is: 1: 2: 1
- In codominance the alleles of a pair do not follow the law of dominance.
- In this case, in an heterozygous organism the dominant trait does not express itself over the recessive trait.
- Therefore in the heterozygous organism both the allele express themselves completely without any blending.
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