Question
Biology Question on Principles of Inheritance and Variation
Maize has ten pairs of chromosomes. How many linkage groups will be present, if all the genes are mapped?
A
20
B
5
C
40
D
10
Answer
10
Explanation
Solution
The number of linkage groups present in an individual corresponds to number of chromosomes in its one genome (all the chromosomes if haploid or homologous pairs if diploid). It is known as principle of limitation of linkage groups. Maize has 10 linkage groups, as it has 10 pairs of chromosomes.