Biology Questions?

1. During normal mitotic cell division, a parent cell having four chromosomes will produce two daughter cells, each containing.


a)four chromosomes c)sixteen chromosomes


d)two chromosomes





2. Chromotids are held together by a (an)


a) aster


b)centriole


c)centromere





3. Many injuries to the skin heal completely, whereas injuries to the spinal cord, which is made up mainly of nerve cells, may result in paralysis. What characteristics of the two types of cells in these body parts accounts for this difference?

Biology Questions?
1.A





2.c





3. Skin cells do mitosis to repair damage while spinal chord cells dont.