Sexual reproduction contributes to genetic diversity by allowing A. a single parent to pass along a complete set of unmixed genes to offspring.

B. unmixed genes from two parents to be passed to offspring.

C. genes from two parents to be mixed and remixed before being passed to offspring.

D. genes from a single parent to be mixed and remixed before being passed to offspring.

Study the image of this rock.which characteristic best supports its formation from sedimentary processes? it has many layers.it is coarse-grained.its grain shape is round.its texture is non-banded.

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

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