.............Help on what?
Answer:
All of the cells in the body expect red blood cells has a copy of our dna. At conception the person receives dna from both their father and their mother. We each have 23 pairs of chromosomes. Each pair one was from the father nd one from the mother. The chromosomes are passed from parents to offspring via sperm and eggs. The specific kind of chromosome that contains a gene determines how that gene is inherited. When a sperm fertilizes an egg the embryo now contains two copies of each autosome one form father and one from the mother
The movements of the crust change the Earth movement by causing all the natural occurrences we see today. The plates move in 3 ways. They are Convergent, transform and divergent boundary.
A competition starts I guess
