The third one made the most sense
Bacteria: They are in your intestines to break down food and produce vitamin k your body needs.
Protist: Plant-like protists produce almost one-half of the oxygen on the planet through photosynthesis.
Hope this helps in some way !
Male has sex chromosomes: One X + one Y
Female has sex chromosomes: Two X
So, Female must contribute by one X chromosome, but male can contribute either by X or Y, if he sends, X chromosome, then Female (Girl) will form, but if he sends Y chromosome, then Male (Boy) will form
Hope this helps!
Answer:
to avoid mutations and other issues that may occur
