Student exploration cell division how do you do this

Ahypothesis that has been tested again and again , with similar results each time may become a law , true or false

Long term exposure to waves can cause sunburns and skin cancer.

If t=tall and t=short what will be the physical appearance of the offspring the cross below? a.some will be tall and some will be short b.they will all be tall c.they will all be short d.they will be medium height