In 1940,two researchers named Weiner and Landsteiner discovered that about 85 percent of the human population sampled possessed a blood cell protein called the Rh factor.The presence of Rh factor was labeled Rh positive (Rh⁺)and was found to be dominant over the absence of the blood factor (Rh^-).Under normal Mendelian inheritance,which of the following statements is/are false? A) Two Rh⁺ parents could have an Rh^- child. B) Two Rh^- parents could have an Rh⁺ child. C) An Rh^- child would require that both parents be carriers of at least one Rh^- allele. D) It is possible with just one pair of parents to have children where some siblings are Rh^- and some are Rh⁺. E) Two Rh⁺ parents can have Rh^- or Rh ⁺ children.

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Quizplus · Accepted Answer

Rh⁺Rh^- would still show an Rh⁺ phenotype so, if both parents were heterozygous, they could have an Rh^-child. Both parents would need to carry the Rh^- allele. Since the parents also have the Rh⁺ allele they could also have children of this phenotype. If both parents have the Rh-phenotype then their genotype must be Rh^- Rh^- and it would not be possible for them to have a child with the Rh⁺ phenotype.Bloom's

In 1940,two Researchers Named Weiner and Landsteiner Discovered That About