The following diagram shows two chromosomes and the lettered number represents the genes

Chromosome - I
$\begin{matrix} P & Q & R & S & T & U & V & W \end{matrix}$

Chromosome - II
$\begin{matrix} E & F & G & H \end{matrix}$
Which of the following would be the result of translocation between chromosome 1 and 2? (correct answer + 1, wrong answer - 0.25)

\begin{matrix} P & Q & R & S & W & V & U & T \end{matrix}

\begin{matrix} E & F & G & H \end{matrix}

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\begin{matrix} P & Q & R & S \end{matrix}

\begin{matrix} T & U & V & W & E & F & G & H \end{matrix}

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\begin{matrix} P & Q & R & S & T & U & V & W \end{matrix}

\begin{matrix} E & F & H \end{matrix}

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\begin{matrix} P & Q & R & S & T & U & V & W \end{matrix}

\begin{matrix} E & F & G & H & G & H \end{matrix}

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Solution

The correct option is B $\begin{matrix} P & Q & R & S \end{matrix}$ $\begin{matrix} T & U & V & W & E & F & G & H \end{matrix}$
In translocation, the segment of the one chromosome gets attached to the other chromosome. Option ‘b’ indicates translocation.

Option 'a' indicates inversion in which a segment of a chromosome is reversed end to end.

Option ‘c’ indicates deletion in which loss of a segment of chromosome occurs.

Option‘d’ indicates duplication in which segment of chromosome is duplicated.

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The following diagram shows two chromosomes and the lettered number represents the genes Chromosome - I PQRSTUVW Chromosome - II EFGH Which of the following would be the result of translocation between chromosome 1 and 2? (correct answer + 1, wrong answer - 0.25)