1.You study two rat strains, \"Rose\" and \"Basi\": both strains show high incid

Question

1.You study two rat strains, "Rose" and "Basi": both strains show high incidence of aborted fetuses if crossed with normal rats. "Rose" was exposed to X-irradiation while she was an embryo; "Basil" was treated with the reagent found in herbicide formula during embryogenesis. Below is the data you collected on the aborted fetuses: Mother Rose Basil Sex of aborted fetuses Female Female and male Karyotype of aborted fetuses No Barr bodies All X chromosomes form Barr bodies Note: Below questions are not about what defect the X-ray/mutagen treatment has caused; the questions are about what makes the offspring die or not die. Explain why: A) All of Rose's daughters die B) All of Rose's sons survive C) All of Basil's offspring die

Explanation / Answer

A) All of Rose's daughter dies

B) All of Roses sons survive

C) All of Basil's offspring dies

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