According to the Punnett square, what percentage of the children would have the capacity to pass the allele on to their own children once they reached adulthood and reproduced?

Are you asking about a street map usage  if so here is your answer  a street map for a very limited area could simply be a bit map or a .jpg image.  but a more general map would probably store the streets as vectors.  but you shouldn't assume that there is one way to do it

True but only in the south coastal areas during september and early october.

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what are the options