Answer:
There is 50 chance because there are two chromosomes that are same and two which are difeerent . XX MEANs girl XY means boys .
Answer:
Exocytosis
Explanation:
Exocytosis is when a bulk of molecules exit the cell. The arrows indicate that it is leaving the cell.
A control is used to establish a baseline in an experiment.
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It is muscle and nerve tissue
It is converted into chemical energy.