How do you think these bones are involved in a whale's movement ?

Explanation:where are the bone's, you didn't list them

the father in the first generation probably had the recessive colorblind trait in his x chromosome. if he and his wife both had the colorblind trait, even if she had 1 recessive and 1 dominant, then that trait would be passed on to their kids.

(since you didn't attach the family tree this is just an assumption)

feral cats are estimated to eat tens of millions of native animals each night in australia