Anbefalet Interessante Artikler

Information

12.4: Regulatory Elements in Evolution - Biology

Mutations can occur in both cis-elements and trans-factors; both can result in altered patterns of gene expression. An example of a sequence change in an enhancer is found in the Pitx gene.Example: Pitx expression in SticklebackThe three-spined stickleback (Figure (PageIndex 11 )) provides an example of natural selection of a mutation in a cis-regulatory element.
Læs Mere
Information

Hvad laver noget mad?

Fra min (begrænsede) forståelse får dyr energi fra mad ved at bryde kemiske bindinger mellem molekyler. Der er meget vand her [påkrævet], så det ser ud til, at naturligt valg ville ...
Læs Mere