what is the main function of the epididymis?

The correct answer would be to store sperm.

answer; a male inherits only one allele of the x-linked gene controlling hair color;

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."