Question

Drosophila melanogaster genome consists of

• A. 3 pair of autosome + one pair of allosome
• B. 2 pair of autosome + 2 pair of allosome
• C. 1 pair of autosome + 3 pair of allosomes
• D. 2 pair of autosome + 1 pair of allosomes

Answer 1

Answer: (A)

Drosophila melanogaster consists of 2n = 8 chromosomes. It consists of three pairs of autosomes and a pair of allosomes. Female consists of 3 pairs of autosome and 2X chromosome and male consist of 3 pairs of autosome and X and Y chromosome.