Myocardium, that's because myocardium simply means 'muscular tissue of the heart'. It is not pericardium or connective tissue as these are only small, specific areas of the heart and a heart attack can cause cells to die anywhere in the heart.
Restriction enzymes are used to <span>cut double-stranded DNA
In short, Your Answer would be Option B
Hope this helps!</span>
Answer: Option C
Explanation:
When two genetically similar species can breed among each other in order to produce a fertile offspring then it is known as members of same species.
The offspring that is produced must be fertile in order to extend the members in the same species.
Two organism can breed because they are genetically similar and the similarity allows the organism produces a fertile offspring.