The way by which the approach of releasing laboratory-reared insects that are homozygous for several translocations will work and mentioning the insects which will be sterile. Introduction: Translocation refers to a specific type of chromosomal rearrangement. In the case of translocation, two non-homologous chromosomes exchange different parts with each other. The genes are present in the gametes of the translocation homozygotes, but the genes are present in a haphazard fashion. For example; a gene is present on chromosome 6, and another gene 'y' is present on chromosome no. 9 in a normal cell. These two genes undergo a reciprocal translocation. So, in the translocation homozygote, gene 'x' will be present on chromosome 9, and gene 'y' will be present on chromosome no. 6. This cell has both the genes ‘x’ and ‘y’ (on different chromosomes).

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Chapter 12, Problem 22P

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The way by which the approach of releasing laboratory-reared insects that are homozygous for several translocations will work and mentioning the insects which will be sterile.

Introduction:

Translocation refers to a specific type of chromosomal rearrangement. In the case of translocation, two non-homologous chromosomes exchange different parts with each other. The genes are present in the gametes of the translocation homozygotes, but the genes are present in a haphazard fashion. For example; a gene is present on chromosome 6, and another gene 'y' is present on chromosome no. 9 in a normal cell. These two genes undergo a reciprocal translocation. So, in the translocation homozygote, gene 'x' will be present on chromosome 9, and gene 'y' will be present on chromosome no. 6. This cell has both the genes ‘x’ and ‘y’ (on different chromosomes).

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