Could these two rabbit populations become different species? What would have to occur in order for this to happen?!

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.

Acommon kind of mechanical weathering is called

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?