Answer:
when a female is missing a x chromosome
Explanation:
Answer:
They all have the same structure as the human.
Explanation:
Answer:
I'd say an exoskeleton.
Explanation:
My main reason for saying this is because bugs with exoskeletons survive much better than bugs with endoskeletons or (surprise surprise) no skeletons. If your skeleton is outside your body, it protects everything inside you. Endoskeletons merely help hold you together.
A very acidic level is 0 on the pH level. and a very basic pH level is 14. 7 on the pH scale is neutral. Anything lower than 7 is acidic, and anything higher than 7 is basic.
DNA replicates before cell division, duplicating chromosomes. This occurs during S stage of interphase! Now each chromosome has two identical double helical models.