It's impossible to answer "How many base pairs are there in what if your genome?" because there's no such thing as a "what if genome".

Here's why:

* Genomes are real: A genome is the complete set of genetic instructions for an organism. It's made of DNA, which is composed of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T). These bases pair up in specific ways (A with T, and G with C), forming the "rungs" of the DNA ladder.

* "What if" implies hypothetical: The phrase "what if" suggests a hypothetical scenario, not a real-world genome.

To get a meaningful answer, you need to specify:

* Whose genome? Humans have about 3 billion base pairs in their genome, but other organisms have different numbers.

* What specific aspect of the genome? You might be interested in the total number of base pairs, or the number of base pairs in a particular gene or region.

Please provide more context so I can help you with your question!