3
Question
Number of linkage groups in Drosophila are ___.
Number of linkage groups in Drosophila are ___.
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Solution
The correct option is A 4
Linkage: Tendency of the genes located on the same chromosome, to stay together in hereditary transmission is known as linkage. The genes located on the same chromosome are called as linked genes. The principle of linkage was discovered by Bateson and Punnet in 1906 in the sweat pea plant, Lathyrus odoratus. However, linkage as a concept was put forth by Thomas Hunt Morgan in 1910 based on his experiment on Drosophila melanogaster. It has 4 linkage groups, that is, the number of chromosomes that form the genome.
So, the correct answer is '4'
Linkage: Tendency of the genes located on the same chromosome, to stay together in hereditary transmission is known as linkage. The genes located on the same chromosome are called as linked genes. The principle of linkage was discovered by Bateson and Punnet in 1906 in the sweat pea plant, Lathyrus odoratus. However, linkage as a concept was put forth by Thomas Hunt Morgan in 1910 based on his experiment on Drosophila melanogaster. It has 4 linkage groups, that is, the number of chromosomes that form the genome.
So, the correct answer is '4'
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