They help the cell mutiply
Answer:
The mitochondria, also called the powerhouse of a cell, is present in large numbers in almost every cell in the body.
Explanation:
As we can see in the pedigree, both of the parents do not possess the trait, but one of the four offspring (marked with red) is expressing the trait.
Since the trait is recessive, the only way that is possible that the parents who do not possess the trait to have the offspring with the trait is that the parents are heterozygous for the trait. Meaning that both of the parents have one dominant allele and one recessive allele.
If a hypothesis is supported it becomes a theory if its not he or she has to make another hypothesis
Because of its ability to form large complex and diverse molecules