<span>Alleles are each of two or more alternative forms of a gene that are found at the same position in a chromosome. Traits on the other hand, are the characteristics that are defined by genes. So the combination of alleles for a gene is what manifests itself into a trait.</span>
epithelial stomach cell>stomach lining tissue>stomach>disgestive system
Answer:
I think it explains that the DNA molecules are double helix with alenine and thymine paired together
It would be B im pretty sure bro