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 allele responsible must be _______ since it skipped generations, and that both she and her great-uncle must have been _______. recessive, heterozygous recessive, homozygous dominant, carriers carriers, unrelated

Explanation / Answer

Answer c. dominant, carriers

homozygous-dominant carries two copies of the allele that codes for the dominant trait.

homozygous-recessive carries two copies of the allele that codes for the recessive trait.

When identical alleles of the gene are present on both homologous chromosomes A cell is said to be homozygous.

when its cells contain two different alleles of a gene organism is heterozygous.

Carrier is a person that has inherited a recessive allele for a genetic trait.

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