Make a Punnett square to show the cross between a man who does not have Duchenne's
muscular dystrophy (MD) and a woman who does. What is the genotypic and phenotypic
probability of such a cross?

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

The tubes transporting minerals and water upward are called ?