Use the Pedigree Chart to answer the following question What does the white square represent in a Pedigree?

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

Depending on the organism the number of in a cell may change

How much time has elapsed from the very beginning of "the memior of the conquistador bernal diaz del castillo" to the end? a. castillo's whole life b. a quarter of an hour c. a few weeks d. a decade