Black fur in labs is dominant (B) and brown fur is recessive (b). how many recessive genes does a lab need in order to have brown fur? 1. One
2. Two
3. None
4. Three

Mention true or false : a) cholera is marked by acute diarrhea and no urination. b)mosquitoes are the source of dysentery germs.

Variety of living organisms; includes genetic, species, and ecological types.

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.