Some leeches act as parasites, sucking blood from other organisms. Please select the best answer from the choices provided T F

If the frequency of the p allele is .63 in the population then what is the frequency of the q allele?

What would happen if the krill were removed from the food web

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.