I think the answer is C but i am sorry if i am wrong i took this test but i am pretty sure it is C have a good day and good luck on the test
A recessive allele is shown in the phenotype
In fetal circulation, the ductus venosus bypasses the liver and the ductus arteriousus bypasses the lungs. Ductus arteriosus also called ductus botalli is a blood vessel connecting the main pulmonary artery to the proximal ascending aorta. It does allow most of the blood from right ventricle to bypass the fetus's fluid-filled non-functioning lungs. Ductus venosus on the hand allows oxygenated blood from the placenta to bypass the liver.
Answer: selective breeding which means whenever a farmer picks out certain traits for an animal for it's specific environment or skills dey will need to live dere.
Explanation:
