Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Linkage groups : (1) have genes which were linked together in a single chromosoems (2) shows independent assortment (3) do not show independent assortment (4) in prokaryotes are more than oneA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 1,2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: D
Solution :
All the linked genes of a chromosome form a linkage group. Because, all the genes of a chromosome have their identical genes on the homologous chromosome, therefore, linkage groups of a homologous pair of chromosome is considered as one. The number of linkage group of a species, thus. corresponds with haploid chromosome number of that species. Linkage groups are more than one in prokaryotes.
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