Q. Mendel observed that certain character did not assort independently. Later, scientist found that this is due to:

 2150  237 ManipalManipal 2006 Report Error

Solution:

Mendel studied 7 contrasting character of garden pea, Pisum sdtivum, which were present on 4 chromosomes. A pea plant is having 14 chromosomes as diploid. number. If the chromosome would have been 12, it means that they should be present on 6 chromosome this suggest that the 2 or more characters are linked. So, later researches found it to be so due to linked character (linkage).