The spinal cord is the answer
When placed into an hypertonic solution, animal cells will shrivel up, while plant cells will stay firm thanks to their air-filled vacuole. In a hypotonic solution, the cells will take on water and appear more plump. In an isotonic solution, they'll stay the same.
The male chromosome b/c the males have the XY DNA in their sex cells
When AncestryDNA launched in 2012, we compared your DNA against 22 possible regions. We now have more than 1,500.
