Question

ALSUM genes

d. sex chromosomes
47. Down syndrome is characterized by having an extra copy of at least a portion of chromosome 21. Which of
following methods would quickly identify the disorder?
a. Pedigree chart
c. meiosis map
b. Karyotype
d. linkage map

Answer 1

karyotype

Step-by-step explanation:

bc the number and visual appearance of the chromosomes in the cell nuclei of an organism or species.