alleryIn Drosophila, the linkage groups equal the
Adiploid number of chromosomes
Bhaploid number of chromosomes
Cnumber of sex chromosomes
Dnumber of genes
Answer & Solution
Correct answer: B. haploid number of chromosomes
1. A linkage group is a set of genes that travel together because they lie on the same chromosome.
2. Each chromosome of the haploid set forms one linkage group.
3. Drosophila has 4 pairs of chromosomes, hence 4 linkage groups.
_Source: Maharashtra Balbharati Std XII Biology, Ch 3 "Inheritance and Variation" §3.8_
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