Which characteristic of a flatworms digestive system allows the flatworm to distribute nutrients to all body cells?

Explain nonnuclear inheritance. ~ ap biology

Anton created a chart listing different types of materials. which best complete the chart?

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?