The type of bond where electrons are transferred or given and is weak is called bond.

its called an (answer -> "Ionic" <-) bond.

thymine. in rna, thymine is replace by uracil

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)