It has 2 pairs.
23 pairs.
4 pairs
2 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
23 pairs.
Two pairs.
1000 pairs 5 pairs
31 pairs. And they arise from the combination of the ventral and dorsal roots.
There are 22 autosome pairs and one pair of sex chromosomes.
2 pairs
0 pairs