What is the name of any change in genes?
2 answers:
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Note about the question:
You will find the pedigree in the attached file
Answer:
The boy and the girl represented by solid black-colored square and circle, respectively, are affected with sickle cell anemia
Explanation: A pedigree tells information about the phenotype of individuals in the family. There are certain symbols to take into count when analyzing a pedigree. Among many others, a few to consider in this particular problem are
- Squares that represent males
- Circles that represent females
- White shapes that represent healthy or normal individuals
- Black shapes that represent affected individuals
The affection in this problem comes from the paternal line. Susan´s husband is affected by sickle cell anemia. His mother and his grandmother are also affected.
Susan is a healthy woman. They had four children. Two girls (circles) and two boys (squares).
From this last generation, one of the girls (black circle) and one of the boys (black square) are affected.
