Which statement is correct? A. Mallards don’t have a basic plumage. B. Mallards don’t have an alternate plumage. C. Canada geese don’t have a basic plumage. D. Canada geese don’t have an alternate plumage.

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

Long term exposure to waves can cause sunburns and skin cancer.