What does the continued presence of vestigial structures like the whale pelvis and femur shown in figure 16-1 suggest about the impact vestigial structures have on fitness?

When explaining dominant and recessive traits to a younger family member, they respond, "well chances are i can probably taste ptc, since dominant traits are more common." how might you address this misconception?

Solutions to environmental problems in europe must

If the rna molecule in a human has the nucleotide sequence of guu, this would the amino acid valine would be needed to make the protein. how would this cha process was occurring in a mushroom?