(B) true breeding line is one that,having undergone continuous self-pollination,shows the stable trait inheritance and expression for several generati

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Shows expression for few generations only.

(B) true breeding line is one that,having undergone continuous self-pollination,shows the stable trait inheritance and expression for several generations.Option $(B)$ is incorrect because a true breeding line maintains the expression of traits for many generations,not just a few.

Class 12 Biology Principles of Inheritance and Variation Mendelism

Medium

Mark the odd one (w.r.t. true breeding line).

A
Shows the stable trait inheritance.
B
Shows expression for few generations only.
C
Undergone continuous self-pollination.
D
Both $(A)$ and $(C)$.

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Chapter

Principles of Inheritance and Variation

Subtopic

Mendelism

Mendel studied several traits in pea plants. Which of the following combinations represents the traits he studied?

Medium

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Who rediscovered the results of Mendel's experiments?

Medium

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Match the following (Column-$I$ with Column-$II$):

Column-$I$ Column-$II$

$a$. Allele $i$. Two alleles of a gene are identical

$b$. Genotype $ii$. An individual having two different alleles of a gene

$c$. Homozygous $iii$. Genetic constitution of an organism

$d$. Heterozygous $iv$. Alternative forms of a gene

Column-$I$	Column-$II$
$a$. Allele	$i$. Two alleles of a gene are identical
$b$. Genotype	$ii$. An individual having two different alleles of a gene
$c$. Homozygous	$iii$. Genetic constitution of an organism
$d$. Heterozygous	$iv$. Alternative forms of a gene