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A human fertilized egg contains one chromosome with HbS, the allele...

A human fertilized egg contains one chromosome with HbS, the allele for sickle cell disease, and a homologous chromosome with Hbs, the wild type a llele. It also contains an X and Y chromosome. At what point will meiosis occur to create cells that are either HbS or Hbs ?

  • A. Within the hour, as fertilization proceeds.
  • B. Within the week, as embryonic development proceeds.
  • C. Years later, when gametogenesis proceeds.
  • D. Decades later, in the grandchildren of this individual.

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