Dolphins and fish have similar body shapes. is this feature more likely a homologous or analogous trait?

What happens when a magniseum ion ia atracked to a chlrene ion

Which statement about inheritance is true? o girls get most of their traits from their moms, boys get most of their traits from their dads. o male offspring will always have an x-linked genetic disease if the mom is a carrier o fathers always determine the gender of the offspring in humans. o males never have y chromosomes.

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)