'Children with this genetic disease have 3 no. 21 chromosomes instead of the usual 2'
Down syndrome
D IN SCIENCE: Children with this genetic disease have 3 no. 21 chromosomes instead of the usual 2
Children with this genetic disease have 3 no. 21 chromosomes instead of the usual 2
Children with this genetic disease have 3 no. 21 chromosomes instead of the usual 2
"D" IN SCIENCE
Down syndrome
"D" IN SCIENCE