Retinitis pigmentosa is a rare disease of the eye in which the cells of the retina produce defective proteins and it only occurs in males. which of the following statements is correct about retina pigmentosa? a - The gene for it appears on autosomal chromosome
b - The gene for it appears on X chromosome
c - The gene for it appears on Y chromosome
d - it is not a genetic disease

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."

the answer is d p: cell, q: organ, r: organ system, s: tissue