It’s sexual reproduction..... gross topic but what evs
You can prove this by a DNA siblings test, it is the best way to prove a biological relationship
Answer:
how it changes every so often
Explanation:
Systemic circulation is the one that oxygenates all the body.
Starting from the left atrium, through the left ventricle, and the aorta and its branches to the body.
After the tissues do the exchange, the deoxygenated blood goes back to the right atrium to starts the pulmonary circulation, and then the cycle starts again.
Answer:
an individual must have two copies of a recessive allele to express the trait.
Explanation: