Which is used to create copies of genetic material for DNA fingerprinting?
O A. PCR
O B. Gel electrophoresis
O
C. Nuclear transfer
O
D. Reverse transcriptase
SUBMIT

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.