Class 12BiologyPrinciples of Inheritance and VariationMix Examples- Principles of Inheritance and Variation
MediumGenes that are similar in phenotypic effect when present separately,but together interact to produce a different trait and the ratio is $9:7$ in the $F_2$ generation. What are such genes known as?
- ASupplementary genes
- BComplementary genes
- CHypostatic genes
- DEpistatic genes
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Similar Questions
Select the correct option for the following statements:
$P - F_1$ generation shows traits of both parents.
$Q - F_1$ generation shows a new trait (intermediate).
$R - F_1$ generation shows only one of the two parental traits.
$\quad \quad P \quad Q \quad R$
$P - F_1$ generation shows traits of both parents.
$Q - F_1$ generation shows a new trait (intermediate).
$R - F_1$ generation shows only one of the two parental traits.
$\quad \quad P \quad Q \quad R$
Medium
View SolutionMatch the following columns correctly:
Column-$I$ Column-$II$ $(a)$ $1 : 2 : 1$ $(i)$ Test cross $(b)$ $3 : 1$ $(ii)$ Law of Dominance $(c)$ $9 : 3 : 3 : 1$ $(iii)$ Incomplete Dominance $(d)$ $1 : 1 : 1 : 1$ $(iv)$ Law of Independent Assortment $(v)$ Law of Segregation
| Column-$I$ | Column-$II$ |
| $(a)$ $1 : 2 : 1$ | $(i)$ Test cross |
| $(b)$ $3 : 1$ | $(ii)$ Law of Dominance |
| $(c)$ $9 : 3 : 3 : 1$ | $(iii)$ Incomplete Dominance |
| $(d)$ $1 : 1 : 1 : 1$ | $(iv)$ Law of Independent Assortment |
| $(v)$ Law of Segregation |
Medium
View SolutionWhich one of the following pairs is an example of intergenic interaction?
$Statement A$: For a particular character in an individual,each gamete gets only one allele.
$Statement B$: Chromatids of a chromosome split (separate) and move towards opposite poles during anaphase of mitosis.
$Statement B$: Chromatids of a chromosome split (separate) and move towards opposite poles during anaphase of mitosis.
Match the List-$I$ with List-$II$:
List-$I$ List-$II$ $A$. $\text{ABO}$ blood group $i$. Same phenotypic and genotypic ratio $B$. Human skin colour $ii$. Pleiotropy $C$. Phenylketonuria $iii$. Multiple allele $D$. Incomplete dominance $iv$. Polygenic inheritance
| List-$I$ | List-$II$ |
|---|---|
| $A$. $\text{ABO}$ blood group | $i$. Same phenotypic and genotypic ratio |
| $B$. Human skin colour | $ii$. Pleiotropy |
| $C$. Phenylketonuria | $iii$. Multiple allele |
| $D$. Incomplete dominance | $iv$. Polygenic inheritance |
Medium
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