Set up your punnet square (attached)
You get:
PP = polkadot = 1 = 0.25
Pp = polkadot = 2 = 0.50
pp = solid = 1 = 0.25
ANSWER: D
Answer: cellular respiration happens in the mitochondria and cytoplasm of cells.
Explanation: many organisms, including plants and plankton, per- form oxygen-dependent cellular respiration.
The statements that are true of heterogeneous mixtures are: they settle out and the proportions of solute to solvent may vary. The correct answer is option A. 1 and 2. Heterogeneous mixtures are considered mixtures wherein the components are not uniform and still retain their properties. Characteristics of heterogeneous mixtures are: the ratio of solute and solvent is not equal, the substances can be separated physically and they still retain their properties even if mixed with another substance.
I believe the answer is D.