What sex will a person be if the father contributes an x chromosome?

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?

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Drag the tiles to the correct boxes to complete the pairs. match each cell organelle with its description.