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- #National Eligilibility Cum Entrance Test
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A mechanism that can cause a gene to move from one linkage group to another is
Crossing over
Inversion
Translocation
Duplication
Answers (1)
A mechanism that can cause a gene to move from one linkage group to another is chromosomal translocation.
Translocation refers to the rearrangement of genetic material between non-homologous chromosomes. It occurs when a segment of one chromosome breaks off and becomes attached to another chromosome. This can result in the movement of genes from one linkage group to a different linkage group.
There are two types of translocations: reciprocal translocation and non-reciprocal translocation. In reciprocal translocation, two non-homologous chromosomes exchange segments with each other, leading to the movement of genes between linkage groups. In non-reciprocal translocation, a segment from one chromosome is transferred to another chromosome without any reciprocal exchange.
Translocations can occur spontaneously or can be caused by environmental factors or genetic mutations. They can have significant effects on gene expression and can sometimes lead to genetic disorders or diseases if the translocated segments disrupt the normal functioning of genes.
Therefore, chromosomal translocation is a mechanism that can cause a gene to move from one linkage group to another. Hence, the correct answer is option 3.
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