Respiration which does not use oxygen as the final electron acceptor and is performed by some prokaryotes that live in anaerobic environments, such as waterlogged soil, stagnant ponds, and animal intestines is called .

Anaerobic respiration

Explanation:

This type of respiration occurs when for example some groups of archae that are called methanogens utilize anaerobic respiration by reducing carbondioxide to methane so as to be able to oxidize NADH.

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)

i have to report this, it doesn't relate to biology