What are all the gametes that a double heterozygous fly for the genes apterous (ap) and ebony (eb) can produce (genotype: Ap ap Eb eb), assuming Independent Assortment takes place? Select all that apply:

1) ap
2) eb
3) Ap
4) eb
5) Ap
6) Eb
7) ap
8) Eb

Exit what always affects measurement error in an experiment? a. investigator bias b. variability in nature c. instrument precision d. misreading the instrument

Where in the body can you find chemoreceptors? a. on the skin and ears, to detect pressure, touch, motion, and sound b. on the retina, to detect a single photon of light c. on the skin, to detect temperature or specific chemicals d. on the tongue and in the nose, to detect taste or odor

Compare the composition of the moon's surface with the composition of the earth's surface.