B=black and b=brown. a bb guinea pig crosses with a bb guinea pig, and four offspring are produced. all of the offspring are black. explain how this could happen

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

If a cell is placed into a hypertonic environment, what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge

The diagram shows the development of the oocyte and the follicle during the menstrual cycle. identify at which stage in the cycle the hormone levels are at their highest and most active.