What does a moon do?
A It orbits a planet.
B It makes light from gases. C It moves toward the sun.

In familial hypercholesterolemia individuals homozygous for the allele causing the disorder completely lack receptors on liver cells that take up cholesterol from the blood stream. heterozygous have one-half the number of receptors while individuals homozygous for the normal allele are phenotypically normal. this is an example of a.epistasis b.complete dominance c. incomplete dominance d. codominance

Environmental differences within ecosystems are generally caused by

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?