All the cells in a person's body have the same DNA and the same genes. However, the difference between cells in different tissues and organs is that the "expression" of the genes differs between cells. Expression means that the message from the DNA is being copied and made into protein.
Mitochondria- it produces the energy for the cell. the muscle needs more energy because they are always functioning
3. D
4. C
(DNA contains phosphorus)
From Pearson Biology book
I was told that the recessive allele would be having them attached so no, because the domaint allele is when they are detached.