A family has two male children. one brother has a straight thumb, while the other brother has a bent thumb. What causes this difference?

What is ne function of the smooth endoplasmic reticulum?

How do fungi digest their food sources? A. by engulfing food particles and digesting them in vacuoles B. by secreting enzymes externally, directly into their surrounding environment C. by extending hyphae into a food source (e. g.

In cows, fur color is codominant. Cross a spotted cow with a black bull. What percent will be spotted? A. 0% B. 25% C. 50% D. 100%

In a disputed parentage case, the child is blood type O, while the mother is blood type A. What are the possible blood type (s) for the father?

How are genes related to DNA

What naturally occurring metal slows fetal and child development and causes irreversible deficits in brain function? lead mercury potassium asbestos?

How is information converted in translation

The outer nucleated cytoplasmic layer of a schwann cell is the

A severe storm has churned up the water and defines the along a coastline, causing the water to appear cloudy. How would this most likely affect the marine ecosystem?

The polarity of the water molecule is the result of