In a litter of kittens, some of the kittens have coloring that is completely different from their parents. what is the explanation for this? a) crossover during meiosis. b) the placement of the genes on the parent chromosomes. c) chromosomal aberrations during meiosis

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction