| Co-dominance | Incomplete dominance |
|---|---|
| $(1)$ Effect of both the alleles is equally conspicuous. | $(1)$ Effect of one of the two alleles is more conspicuous,resulting in an intermediate phenotype. |
| $(2)$ There is no mixing of the effect of the two alleles. | $(2)$ It produces a mixture or blending of the expression of two alleles. |
| $(3)$ The $F_{1}$ generation resembles both the parents. | $(3)$ The $F_{1}$ generation does not resemble either of the parents. |
| $(4)$ Example: $ABO$ blood grouping in humans. | $(4)$ Example: Flower colour in snapdragon (dog flower). |
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| Column-$I$ | Column-$II$ |
| $(P)$ $(2n-1)$ | $(i)$ Produces normal female |
| $(Q)$ $Hb^s Hb^s$ | $(ii)$ Produces haploid male |
| $(R)$ $22AA+XX$ | $(iii)$ Causes Turner syndrome |
| $(S)$ $(X+O)$ | $(iv)$ Causes sickle cell anemia |
| $(v)$ Causes hemophilia | |
| $(vi)$ Shows Klinefelter syndrome |
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