1
Question
Match the organisms in column I with their respective linkage group in column II.
Column-I Column-II
Organism
Linkage group
A. Maize
P. 4
B. Pea
Q. 10
C. Mucor
R. 7
D. Fruit fly
S. 2
Match the organisms in column I with their respective linkage group in column II.
Column-I Column-II
| Organism | Linkage group |
| A. Maize | P. 4 |
| B. Pea | Q. 10 |
| C. Mucor | R. 7 |
| D. Fruit fly | S. 2 |
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Solution
The correct option is D A-Q, B-R, C-S, D-P
Genes are located on the chromosomes, every chromosome contains a certain number of genes. The genes that are present on the same chromosome tend to link together and inherit together rather than moving independent and different entities, which contrasts with Mendel's inheritance law, specifically the law of independent assortment. A linked group is a linearly arranged group of genes on a single chromosome that are inherited together. The linkage group is ideally equal to the haploid chromosome numbers.
The table below, shows the number of chromosomes of the organisms and their linkage groups
Organism
2n
n
Linkage group
Maize
20
10
10
Pea
14
7
7
Mucor
4
2
2
Fruit fly
8
4
4
Genes are located on the chromosomes, every chromosome contains a certain number of genes. The genes that are present on the same chromosome tend to link together and inherit together rather than moving independent and different entities, which contrasts with Mendel's inheritance law, specifically the law of independent assortment. A linked group is a linearly arranged group of genes on a single chromosome that are inherited together. The linkage group is ideally equal to the haploid chromosome numbers.
The table below, shows the number of chromosomes of the organisms and their linkage groups
| Organism | 2n | n | Linkage group |
| Maize | 20 | 10 | 10 |
| Pea | 14 | 7 | 7 |
| Mucor | 4 | 2 | 2 |
| Fruit fly | 8 | 4 | 4 |
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