They are less likely to be separated during crossing over.
1, O because if either shows present it's O.
It is an atom with a charge of 0 because a positive atom would be +1 charge and a negative atom would be -1 charge. So neutral would just be 0
Endosymbiosis is the process of one organism living in another, a form of parasite. Flies and other insects live inside of fungi, such as mushroom. Your answer is B. fungi. Have a wonderful day :D
Cell membrane, Organells, flagella