6. Chromosomal Variation
Chromosomal Rearrangements: Translocations
2:47 minutes
Problem 24c
Textbook Question
Textbook QuestionA boy with Down syndrome (trisomy 21) has 46 chromosomes. His parents and his two older sisters have a normal phenotype, but each has 45 chromosomes.
How many chromosomes do you expect to see in karyotypes of the parents?
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