A man with type A blood whose mother was type O is married to a woman with type AB blood. What are the blood types of their children and in what proportion?

I’m stuck on this question cuz i’m stupid sksksksk

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

What's the waste product of electrons and pyruvate combining in fermentation?