In humans, the allele for dimples (D) is dominant to the allele for no dimples (d). If two people who are heterozygous for the trait have children, what are the
predicted phenotype ratios of their offspring? (Hint: Make a Punnett square on
scratch paper.)

All will have dimples
3 dimples : 1 no dimples
1 dimples ; 3 no dimples
2 dimples : 2 no dimples

the answer is attached in the picture

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."