Linked genes: a. undergo crossing over of sister chromatids at a high rate.
b. tend to be close together on a single chromosome.
c. are found on different chromosomes.
d. always assort independently.

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

Which description shows competition in an environment? an organism that feeds on some food an organism that finds a place to sleep three organisms of the same species living in an area three organisms battling over limited resources

Which part of the microscope controls the amount of light which shines through the lens?