(D) The fruit shape in tomato is an example of duplicate genes. When two or more independent genes (located on different chromosomes) produce the same

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(D) The fruit shape in tomato is an example of duplicate genes. When two or more independent genes (located on different chromosomes) produce the same phenotypic effect,they are known as duplicate genes. In the case of tomato fruit shape,the presence of at least one dominant allele at either of the two loci results in a specific phenotype,demonstrating duplicate gene action.

Class 12 Biology Principles of Inheritance and Variation Mix Examples- Principles of Inheritance and Variation

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The fruit shape in tomato is an example of

A
Complementary gene
B
Supplementary genes
C
Polygenic inheritance
D
Duplicate genes

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Class 12 Questions

Class 12

Biology Questions

Chapter

Principles of Inheritance and Variation

Subtopic

Mix Examples- Principles of Inheritance and Variation

Assertion $A$: Gene is the unit of inheritance.
Reason $R$: The properties of tissues are due to the constituents of their cells.
Which option is correct for Assertion $A$ and Reason $R$?

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The modified allele is equivalent to the unmodified allele if it produces $.....$

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Match the items of column $I$ with column $II$:
Column $I$ Column $II$
$(a) XX-XO$ method of sex determination $(i)$ Turner's syndrome
$(b) XX-XY$ method of sex determination $(ii)$ Female heterogametic
$(c)$ Karyotype $45$ $(iii)$ Grasshopper
$(d) ZW-ZZ$ method of sex determination $(iv)$ Female homogametic

Select the correct option from the following:

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The color of mashed fruit (or fruit skin color in certain varieties) is an example of ........

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For the expression of traits,genes provide only the potentiality and the environment provides the opportunity. Comment on the veracity of the statement.

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Column $I$	Column $II$
$(a) XX-XO$ method of sex determination	$(i)$ Turner's syndrome
$(b) XX-XY$ method of sex determination	$(ii)$ Female heterogametic
$(c)$ Karyotype $45$	$(iii)$ Grasshopper
$(d) ZW-ZZ$ method of sex determination	$(iv)$ Female homogametic

The fruit shape in tomato is an example of

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Assertion $A$: Gene is the unit of inheritance.Reason $R$: The properties of tissues are due to the constituents of their cells.Which option is correct for Assertion $A$ and Reason $R$?

The modified allele is equivalent to the unmodified allele if it produces $.....$

The color of mashed fruit (or fruit skin color in certain varieties) is an example of ........

For the expression of traits,genes provide only the potentiality and the environment provides the opportunity. Comment on the veracity of the statement.

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Assertion $A$: Gene is the unit of inheritance.
Reason $R$: The properties of tissues are due to the constituents of their cells.
Which option is correct for Assertion $A$ and Reason $R$?