In a certain species of rabbit, black fur (B) is dominant to brown fur (b). The lack of a tail (T) is dominant over the presence of a tail (t). What fraction of the offspring of a cross between BbTt and BbTt will have black fur and tails? a

1/16

b

3/16

c

3/8

d

9/19
explain

well, you see. the answer to your question is quite simple. the thing that is big, powerful, and over 9,000 is your mom.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.