Jane was born with a defect in her connective tissues. She appears to be double

Question

Jane was born with a defect in her connective tissues. She appears to be double jointed because of her flexibility. No one else in her immediate family has this genetic defect, but she heard stories about her great uncle, who joined the circus as a contortionist. After reading her Genetics textbook, Jane was able to conclude that the responsible must be ____ since its tripped generations, and that both she and her great uncle must have been ______ a) recessive, heterozygous b) recessive, homozygous c) dominant, carriers d) carriers, unrelated

Explanation / Answer

Jane was born with a defect in her connective tissues. She appears to be double jointed because of her flexibility. No one else in her immediate family has this genetic defect, but, she heard stories about her great uncle, who joined the circus as a contortionist. After reading her Genetic textbook, Jane was able to conclude that the allele responsible must be (a) recessive, heterozygous since it skipped generations, and that both she and her uncle have been (c) dominant, carriers.

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