Heaps and heaps and heaps and heaps of them!
When a human dies, his corpses gets decomposed by decomposing bacteria. What's produced by the decomposing bacteria is the "fertilizer" for plants.
Answer is: each base can attch to only one other type of base
For a monohybrid cross, you are crossing two alleles with two alleles. in a dihybrid cross, you are crossing four alleles with four alleles.
Cells.........they are the basic structural and functional unit of life
