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Inheritance and Variation — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYInheritance and Variation3 Marks
Question
What is linkage? How many linkage groups do occur in human being and maize?
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Answer

  1. Linkage is defined as the tendency of the genes to be inherited together because they are present in the same chromosome. Linkage group is group of genes situated on a chromosome.
  2. Humans have 23 linkage groups because they have 23 pairs of chromosomes.
  3. Maize plant has 10 linkage groups because they have 10 pairs of chromosomes.

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