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While doing a pedigree analysis of a royal family from the ancient Mayan empire, you notice that a prince with the genetic disease married a person from outside the royal family without a history of the disease in her family (i.e. she is not a carrier). Of their six children, two have the disease and four are not affected. The prince’s mother and his father also had this disease. If this disease is controlled by a single gene, then the most likely explanation for disease in the children would be:

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Answer:

the disease is dominant and is seen in heterozygous or homozygous dominant individuals

Explanation:

In the question, it was stated that the disease was transferred to two of the children. This shows that the disease is likely a dominant one. In addition, dominant individual with either homozygous or heterozygous alleles will also have the disease. The homozygous individuals usually have two kinds of a similar allele while heterozygous usually have one recessive and one dominant alleles.