The answer is A.) Sister chromatids of the same chromosome! Hope this helps dear! and if u can please put me as Brainliest! thanks
Answer:
It's called rods and cones
Explanation:
The cone receptor is more sensitive out of the 3 different colors (green, red or blue). Signals from the cones are sent to your brain which then it translates these messages into the perception of color(s).
Genetic variation can<span> be </span>caused<span> by </span>mutation<span> (which </span>can<span> 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).</span>
