Who wants to be my bofriend

When studying heredity, what is the relationship of dna based and traits? super urgent !

*edit* i took the test and i picked a and it was incorrect for its c! rank the following suggestions for preventing std, in order of increasing effectiveness. 1) using latex condoms properly 2) using spermicidal foam or jelly with a monogamous partner 3) abstaining from sexual intercourse and genital contact a. 1, 2, 3c. 2, 1, 3

Fibers from the medial side of each eye cross over to the opposite side of the brain at the