Drosophila melanogaster has

Question

Drosophila melanogaster has (A) 2 pairs of autosomes and 1 pair of as chromosomes (B) 3 pairs of autosomes and 1 pair of as chromosomes (C) 1 pair of autosome and 3 pairs of sea chromosomes (D) 2 pairs of autosomes and 2 pairs of sea chromosomes

Tardigrade Admin · Accepted Answer

In Drosophila, total number of chromosomes is 8, of which 6 are autosomes, common to both male and female. The fourth pair is of sex chromosomes. In male, this is represented by XY (ie, male Drosophila has 6 + XY) and in female by XX (ie, female Drosophila has 6+XX ).

Q. Drosophila melanogaster has

2 pairs of autosomes and 1 pair of as chromosomes

3 pairs of autosomes and 1 pair of as chromosomes

1 pair of autosome and 3 pairs of sea chromosomes

2 pairs of autosomes and 2 pairs of sea chromosomes

In Drosophila, total number of chromosomes is $8$ , of which $6$ are autosomes, common to both male and female. The fourth pair is of sex chromosomes. In male, this is represented by $X Y$ (ie, male Drosophila has $6 +$ XY) and in female by $XX$ (ie, female Drosophila has $6 + XX$ ).

Q. Drosophila melanogaster has

2 pairs of autosomes and 1 pair of as chromosomes

3 pairs of autosomes and 1 pair of as chromosomes

1 pair of autosome and 3 pairs of sea chromosomes

2 pairs of autosomes and 2 pairs of sea chromosomes

In Drosophila, total number of chromosomes is 8, of which 6 are autosomes, common to both male and female. The fourth pair is of sex chromosomes. In male, this is represented by XY (ie, male Drosophila has 6+ XY) and in female by XX (ie, female Drosophila has 6+XX ).

In Drosophila, total number of chromosomes is $8$ , of which $6$ are autosomes, common to both male and female. The fourth pair is of sex chromosomes. In male, this is represented by $X Y$ (ie, male Drosophila has $6 +$ XY) and in female by $XX$ (ie, female Drosophila has $6 + XX$ ).