Dna polymerase can only work to elongate dna in the

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Suppose you use three different scale to weigh a bag of organges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of organges is 2.153 lb. which of the following best decribes these results?