It has 2 pairs.
23 pairs.
4 pairs
4 pairs
Two pairs.
They have 4 pairs ofchromosomes not chromazones. one sex chromosome and three autosomes.
Many, many pairs.
It has 2 pairs.
3 pairs
Six pairs
Two pairs.
23 pairs
23 pairs.
1000 pairs 5 pairs
31 pairs. And they arise from the combination of the ventral and dorsal roots.
2 pairs
23 pairs