She didn't ask for medical attention. If she had then the doctors would have done something to save her.
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
DNA contains sugar deoxyribose, while RNA contains sugar ribose,
DNA is a double-stranded molecule, while RNA is a single-stranded molecule.
It is A , d , and c . I can bet my last bagel bite
