allery*Drosophila melanogaster* has 4 pairs of chromosomes. Hence the number of linkage groups in Drosophila is:
A2
B4
C8
D23
Answer & Solution
Correct answer: B. 4
Number of linkage groups = haploid chromosome number.
Drosophila has 4 pairs
⇒ 4 linkage groups, matching Morgan's experimental observation.
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