(A) Heterosis, also known as $Hybrid \text{ vigour}$, refers to the phenomenon where the progeny of a cross between two genetically distinct parents e

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(A) Heterosis, also known as $Hybrid \text{ vigour}$, refers to the phenomenon where the progeny of a cross between two genetically distinct parents exhibits superior traits compared to both parents.These superior traits include increased growth rate, higher yield, better adaptability, and improved fertility.Therefore, the term $Heterosis$ is synonymous with $Hybrid \text{ vigour}$.

Class 12 Biology Strategies for Enhancement in Food Production Method of Plant Breeding

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Heterosis means

A
Hybrid vigour
B
Hybrids are weak
C
Hybrids are weak as well as vigorous
D
Hybrids are neither weak nor vigorous

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Strategies for Enhancement in Food Production

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Method of Plant Breeding

The germplasm collections are usually maintained at a $A$ temperature in the form of $B$. Here $A$ and $B$ refer to:

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If a breeder wants to introduce a disease-resistant strain,what should be the first step?

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Desired improved variety of economically useful crops are raised by

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$A$ plant breeder wants to develop a disease-resistant variety. What should they do first?

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In case of plant breeding,cross hybridization is a time-consuming and tedious process because:

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Heterosis means

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The germplasm collections are usually maintained at a $A$ temperature in the form of $B$. Here $A$ and $B$ refer to:

If a breeder wants to introduce a disease-resistant strain,what should be the first step?

Desired improved variety of economically useful crops are raised by

$A$ plant breeder wants to develop a disease-resistant variety. What should they do first?

In case of plant breeding,cross hybridization is a time-consuming and tedious process because:

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