Cell Cycle and Cell Division Question 51
51. Genetic map is one that
[2003]
(a) shows the distribution of various species in a region
(b) establishes sites of the genes on a chromosome
(c) establishes the various stages in gene evolution
(d) show the stages during the cell division
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Answer : b
Hints & Solutions
(b) Genetic mapping help in studying the architecture of the chromosomes and of entire genome. Genetic mapping - also called linkage mapping can offer firm evidence that a disease transmitted from parent to child is linked to one or more genes. Mapping also provides clues about which chromosome contains the gene and precisely where the gene lies on that chromosome.
