3 factores pueden influir en la tasa de natalidad y 3 factores que afecten la tasa de mortalidad de una población

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

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

The transport tubes for food coming down the plants are called?