Not quite
male bananas produced form a male banana are male makers and produce 99% male bananas
male bananas produced from a female banana are female makers and will produce 99% female bananas
this only affects the banana offspring the remaining offspring of what ever else the cluch could produce will be the oppsit sex of the said male or female maker
only the female banana produces normal odds on sex
one big reason female bananas are costly is they are key to producing super bananas which are extreamly costly