It would be called a mutation
Answer:
In a more simpler term, the allele is just an variant form of a gene but in a more detailed explanation: each gene stays in a specific place on a chromosome in two copies. One copy inherited from each parent, but the copies or not really the same.
Explanation:
I majored in Biology
Answer:
cardiovascular system
Explanation:
Blood, a connective tissue of the cardiovascular system, transports materials to and from cells through a network of blood vessels (i.e., arteries, veins, capillaries). Oxygen is carried by red blood cells, and nutrients are dissolved in the blood's plasma.