Class 12BiologyPrinciples of Inheritance and VariationMix Examples- Principles of Inheritance and Variation
MediumGive differences: Incomplete dominance and Co-dominance.
(N/A)
| 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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View SolutionMatch List-$I$ with List-$II$:
List-$I$ List-$II$ $(A)$ Two or more alternative forms of a gene $(I)$ Back cross $(B)$ Cross of $F_1$ progeny with homozygous recessive parent $(II)$ Ploidy $(C)$ Cross of $F_1$ progeny with any of the parents $(III)$ Allele $(D)$ Number of chromosome sets in plant $(IV)$ Test cross
Choose the correct answer from the options given below:
| List-$I$ | List-$II$ |
|---|---|
| $(A)$ Two or more alternative forms of a gene | $(I)$ Back cross |
| $(B)$ Cross of $F_1$ progeny with homozygous recessive parent | $(II)$ Ploidy |
| $(C)$ Cross of $F_1$ progeny with any of the parents | $(III)$ Allele |
| $(D)$ Number of chromosome sets in plant | $(IV)$ Test cross |
Choose the correct answer from the options given below:
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$(a)$ No enzyme at all
$(b)$ The normal/less efficient enzyme
$(c)$ $A$ non-functional enzyme
$(a)$ No enzyme at all
$(b)$ The normal/less efficient enzyme
$(c)$ $A$ non-functional enzyme
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View SolutionExplain the following terms with examples:
$(a)$ Co-dominance
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$(a)$ Co-dominance
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