(B) back cross is a cross between an $F_1$ hybrid and either of its parents. $A$ test cross is a specific type of back cross where an $F_1$ hybrid is

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Each test cross is a back cross.

(B) back cross is a cross between an $F_1$ hybrid and either of its parents. $A$ test cross is a specific type of back cross where an $F_1$ hybrid is crossed with the recessive parent only. Therefore,every test cross is a back cross,but not every back cross is a test cross.

Class 12 Biology Principles of Inheritance and Variation Mendelism

Medium

Which of the following statements is correct?

A
Each back cross is a test cross.
B
Each test cross is a back cross.
C
Both tests have the same meaning.
D
Reappearance of similar characters in a test cross is called a back cross.

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Class 12 Questions

Class 12

Biology Questions

Chapter

Principles of Inheritance and Variation

Subtopic

Mendelism

Which of the following traits of a pea plant is $NOT$ dominant?

Easy

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$A$ test cross cannot be performed in which of the following?

Medium

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What will a hybrid plant resulting from two alternative alleles be called?

Easy

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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