Explanation:
Genetic variation is increased by meiosis
Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase I
C. And if the cell is too big, too little material will pass the membrane fast enough to increase the cellular volume (all credit goes to litterally the first website that pops up when using Google jgdibicibsif) I hope this helps (I'm also guessing your taking living environment. Good luck on that UwU) OwO.
RNA is
Has ribose sugar
Single stranded
Has uracil
DNA
Deoxyribose sugar
Double stranded
Has thymine
Yes because you're only cutting it, it's not changing the atomic make up if in anyway.