1. Keeping in mind that karyotyping was not done on Natasha’s infant, what is his probable genotype? 2. What is the name for a structured photographic display of a person’s chromosomes? 3. Name the...

1. Keeping in mind that karyotyping was not done on Natasha’s infant, what is his probable genotype?

2. What is the name for a structured photographic display of a person’s chromosomes?

3. Name the specific chromosomal defect in Down syndrome.