Answer:
A
Explanation:
Some materials reflect light waves.
1.) Mitosis is the splitting of a parent cell into two daughter cells. When mitosis occurs the DNA is copied, making double the amount of chromosomes in the parents cell which will late be divided into two separate cells when the cell pinches in the middle.
First two people will have widows peak, last two will have straight hairline.
widows peak: 50%
straight hairline: 50%