In the human pedigree shown below, black filled symbols indicate individuals suffering from a rare genetic disease that has the X-linked recessive mode of inheritance. Empty symbols represent people who do not have the disease. Based on the pedigree, which of the following statements is correct? The disease allele is passed on from the great grandpa of the family on the left. O The disease allele is passed on from the great grandma of the family on the left. O In the third generation, no one is affected, therefore no one carries the disease allele. For the family on the right, no one in the second generation is affected, but at least one of the three individuals must carry the disease allele.
In the human pedigree shown below, black filled symbols indicate individuals suffering from a rare genetic disease that has the X-linked recessive mode of inheritance. Empty symbols represent people who do not have the disease. Based on the pedigree, which of the following statements is correct? The disease allele is passed on from the great grandpa of the family on the left. O The disease allele is passed on from the great grandma of the family on the left. O In the third generation, no one is affected, therefore no one carries the disease allele. For the family on the right, no one in the second generation is affected, but at least one of the three individuals must carry the disease allele.
Human Biology (MindTap Course List)
11th Edition
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cecie Starr, Beverly McMillan
Chapter20: Chromosomes And Human Genetics
Section: Chapter Questions
Problem 7CT: The following pedigree shows the pattern of inheritance of red-green color blindness in a family....
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