Which of the following is true concerning subduction

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

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

What is the ecological role of food chains and food webs