Select all that apply.
What characteristics do mutations have?

always harmful
occasionally beneficial
omission of information
addition of information
mistakes in copying

answer; /// i believe the correct answer is (thrombocytopenia); (a)

i don't know, but does anyone wanna be friends? i'm doing my homework at 1: 49 in the morning : /

airlines i think? or a cruise boat? does this work out for u? ?

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.